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- [1] ASTRODYNAMIC CONSTRAINTS ON MARS ROUND-TRIP MISSION DESIGNASTRODYNAMICS 2009, VOL 135, PTS 1-3, 2010, 135 : 855 - +Amade, Nicola Sarzi论文数: 0 引用数: 0 h-index: 0机构: Univ So Calif, Div Astronaut Engn, Los Angeles, CA 90089 USA Univ So Calif, Div Astronaut Engn, Los Angeles, CA 90089 USAWertz, James R.论文数: 0 引用数: 0 h-index: 0机构: Univ So Calif, Div Astronaut Engn, Los Angeles, CA 90089 USA Univ So Calif, Div Astronaut Engn, Los Angeles, CA 90089 USA
- [2] Determinants of station-based round-trip bikesharing demandJOURNAL OF PUBLIC TRANSPORTATION, 2023, 25论文数: 引用数: h-index:机构:论文数: 引用数: h-index:机构:Schakenbos, Rik论文数: 0 引用数: 0 h-index: 0机构: NS Stn, Res Dept, Stationshal 17, NL-3500 GM Utrecht, Netherlands Delft Univ Technol, Dept Transport & Planning, Stevinweg 1, NL-2628 CN Delft, NetherlandsCats, Oded论文数: 0 引用数: 0 h-index: 0机构: Delft Univ Technol, Dept Transport & Planning, Stevinweg 1, NL-2628 CN Delft, Netherlands Delft Univ Technol, Dept Transport & Planning, Stevinweg 1, NL-2628 CN Delft, Netherlands
- [3] MARS ROUND-TRIP MISSION ANALYSIS FOR 1975-1985 TIME PERIODJOURNAL OF SPACECRAFT AND ROCKETS, 1965, 2 (05) : 775 - &LASCODY, DN论文数: 0 引用数: 0 h-index: 0THORSON, ED论文数: 0 引用数: 0 h-index: 0HAWTHORN.HW论文数: 0 引用数: 0 h-index: 0MARKUS, G论文数: 0 引用数: 0 h-index: 0
- [4] The ASIM Mission on the International Space StationSPACE SCIENCE REVIEWS, 2019, 215 (02)Neubert, Torsten论文数: 0 引用数: 0 h-index: 0机构: Tech Univ Denmark DTU Space, Natl Space Inst, Lyngby, Denmark Tech Univ Denmark DTU Space, Natl Space Inst, Lyngby, DenmarkOstgaard, Nikolai论文数: 0 引用数: 0 h-index: 0机构: Univ Bergen, Birkeland Ctr Space Sci, Bergen, Norway Tech Univ Denmark DTU Space, Natl Space Inst, Lyngby, DenmarkReglero, Victor论文数: 0 引用数: 0 h-index: 0机构: Univ Valencia, Image Proc Lab, Valencia, Spain Tech Univ Denmark DTU Space, Natl Space Inst, Lyngby, DenmarkBlanc, Elisabeth论文数: 0 引用数: 0 h-index: 0机构: CEA, DAM, DIF, F-91297 Arpajon, France Tech Univ Denmark DTU Space, Natl Space Inst, Lyngby, DenmarkChanrion, Olivier论文数: 0 引用数: 0 h-index: 0机构: Tech Univ Denmark DTU Space, Natl Space Inst, Lyngby, Denmark Tech Univ Denmark DTU Space, Natl Space Inst, Lyngby, DenmarkOxborrow, Carol Anne论文数: 0 引用数: 0 h-index: 0机构: Tech Univ Denmark DTU Space, Natl Space Inst, Lyngby, Denmark Tech Univ Denmark DTU Space, Natl Space Inst, Lyngby, DenmarkOrr, Astrid论文数: 0 引用数: 0 h-index: 0机构: European Space Technol Ctr, Directorate Human Spaceflight & Robot Explorat, Noordwijk, Netherlands Tech Univ Denmark DTU Space, Natl Space Inst, Lyngby, DenmarkTacconi, Matteo论文数: 0 引用数: 0 h-index: 0机构: European Space Technol Ctr, Directorate Human Spaceflight & Robot Explorat, Noordwijk, Netherlands Tech Univ Denmark DTU Space, Natl Space Inst, Lyngby, DenmarkHartnack, Ole论文数: 0 引用数: 0 h-index: 0机构: Terma, Space Div, Herlev, Denmark Tech Univ Denmark DTU Space, Natl Space Inst, Lyngby, DenmarkBhanderi, Dan D. V.论文数: 0 引用数: 0 h-index: 0机构: Terma, Space Div, Herlev, Denmark Tech Univ Denmark DTU Space, Natl Space Inst, Lyngby, Denmark
- [5] The MAXI mission on the International Space StationX-RAY OPTICS, INSTRUMENTS, AND MISSIONS III, 2000, 4012 : 178 - 185Tomida, H论文数: 0 引用数: 0 h-index: 0机构: Natl Space Dev Agcy Japan, Tsukuba Space Ctr, Tsuchiura, Ibaraki 3058505, Japan Natl Space Dev Agcy Japan, Tsukuba Space Ctr, Tsuchiura, Ibaraki 3058505, JapanMatsuoka, M论文数: 0 引用数: 0 h-index: 0机构: Natl Space Dev Agcy Japan, Tsukuba Space Ctr, Tsuchiura, Ibaraki 3058505, Japan Natl Space Dev Agcy Japan, Tsukuba Space Ctr, Tsuchiura, Ibaraki 3058505, JapanUeno, S论文数: 0 引用数: 0 h-index: 0机构: Natl Space Dev Agcy Japan, Tsukuba Space Ctr, Tsuchiura, Ibaraki 3058505, Japan Natl Space Dev Agcy Japan, Tsukuba Space Ctr, Tsuchiura, Ibaraki 3058505, JapanTorii, K论文数: 0 引用数: 0 h-index: 0机构: Natl Space Dev Agcy Japan, Tsukuba Space Ctr, Tsuchiura, Ibaraki 3058505, Japan Natl Space Dev Agcy Japan, Tsukuba Space Ctr, Tsuchiura, Ibaraki 3058505, JapanSugizaki, M论文数: 0 引用数: 0 h-index: 0机构: Natl Space Dev Agcy Japan, Tsukuba Space Ctr, Tsuchiura, Ibaraki 3058505, Japan Natl Space Dev Agcy Japan, Tsukuba Space Ctr, Tsuchiura, Ibaraki 3058505, JapanYuan, WM论文数: 0 引用数: 0 h-index: 0机构: Natl Space Dev Agcy Japan, Tsukuba Space Ctr, Tsuchiura, Ibaraki 3058505, Japan Natl Space Dev Agcy Japan, Tsukuba Space Ctr, Tsuchiura, Ibaraki 3058505, JapanKomatsu, S论文数: 0 引用数: 0 h-index: 0机构: Natl Space Dev Agcy Japan, Tsukuba Space Ctr, Tsuchiura, Ibaraki 3058505, Japan Natl Space Dev Agcy Japan, Tsukuba Space Ctr, Tsuchiura, Ibaraki 3058505, JapanShirasaki, Y论文数: 0 引用数: 0 h-index: 0机构: Natl Space Dev Agcy Japan, Tsukuba Space Ctr, Tsuchiura, Ibaraki 3058505, Japan Natl Space Dev Agcy Japan, Tsukuba Space Ctr, Tsuchiura, Ibaraki 3058505, JapanKawai, N论文数: 0 引用数: 0 h-index: 0机构: Natl Space Dev Agcy Japan, Tsukuba Space Ctr, Tsuchiura, Ibaraki 3058505, Japan Natl Space Dev Agcy Japan, Tsukuba Space Ctr, Tsuchiura, Ibaraki 3058505, JapanYoshida, A论文数: 0 引用数: 0 h-index: 0机构: Natl Space Dev Agcy Japan, Tsukuba Space Ctr, Tsuchiura, Ibaraki 3058505, Japan Natl Space Dev Agcy Japan, Tsukuba Space Ctr, Tsuchiura, Ibaraki 3058505, JapanMihara, T论文数: 0 引用数: 0 h-index: 0机构: Natl Space Dev Agcy Japan, Tsukuba Space Ctr, Tsuchiura, Ibaraki 3058505, Japan Natl Space Dev Agcy Japan, Tsukuba Space Ctr, Tsuchiura, Ibaraki 3058505, JapanSakurai, I论文数: 0 引用数: 0 h-index: 0机构: Natl Space Dev Agcy Japan, Tsukuba Space Ctr, Tsuchiura, Ibaraki 3058505, Japan Natl Space Dev Agcy Japan, Tsukuba Space Ctr, Tsuchiura, Ibaraki 3058505, JapanNegoro, H论文数: 0 引用数: 0 h-index: 0机构: Natl Space Dev Agcy Japan, Tsukuba Space Ctr, Tsuchiura, Ibaraki 3058505, Japan Natl Space Dev Agcy Japan, Tsukuba Space Ctr, Tsuchiura, Ibaraki 3058505, JapanTsunemi, H论文数: 0 引用数: 0 h-index: 0机构: Natl Space Dev Agcy Japan, Tsukuba Space Ctr, Tsuchiura, Ibaraki 3058505, Japan Natl Space Dev Agcy Japan, Tsukuba Space Ctr, Tsuchiura, Ibaraki 3058505, JapanMiyata, E论文数: 0 引用数: 0 h-index: 0机构: Natl Space Dev Agcy Japan, Tsukuba Space Ctr, Tsuchiura, Ibaraki 3058505, Japan Natl Space Dev Agcy Japan, Tsukuba Space Ctr, Tsuchiura, Ibaraki 3058505, JapanYamauchi, M论文数: 0 引用数: 0 h-index: 0机构: Natl Space Dev Agcy Japan, Tsukuba Space Ctr, Tsuchiura, Ibaraki 3058505, Japan Natl Space Dev Agcy Japan, Tsukuba Space Ctr, Tsuchiura, Ibaraki 3058505, JapanTanaka, I论文数: 0 引用数: 0 h-index: 0机构: Natl Space Dev Agcy Japan, Tsukuba Space Ctr, Tsuchiura, Ibaraki 3058505, Japan Natl Space Dev Agcy Japan, Tsukuba Space Ctr, Tsuchiura, Ibaraki 3058505, Japan
- [6] The CALET mission on International Space StationProceedings of the 29th International Cosmic Ray Conference, Vol 3: OG1, 2005, : 329 - 332Torii, S.论文数: 0 引用数: 0 h-index: 0机构: Waseda Univ, Adv Res Inst Sci & Engn, Tokyo, Japan Waseda Univ, Adv Res Inst Sci & Engn, Tokyo, JapanTamura, T.论文数: 0 引用数: 0 h-index: 0机构: Waseda Univ, Adv Res Inst Sci & Engn, Tokyo, Japan Waseda Univ, Adv Res Inst Sci & Engn, Tokyo, JapanTateyama, N.论文数: 0 引用数: 0 h-index: 0机构: Waseda Univ, Adv Res Inst Sci & Engn, Tokyo, Japan Waseda Univ, Adv Res Inst Sci & Engn, Tokyo, JapanHibino, K.论文数: 0 引用数: 0 h-index: 0机构: Waseda Univ, Adv Res Inst Sci & Engn, Tokyo, Japan Waseda Univ, Adv Res Inst Sci & Engn, Tokyo, JapanYuda, T.论文数: 0 引用数: 0 h-index: 0机构: Waseda Univ, Adv Res Inst Sci & Engn, Tokyo, Japan Waseda Univ, Adv Res Inst Sci & Engn, Tokyo, JapanYoshida, K.论文数: 0 引用数: 0 h-index: 0机构: Waseda Univ, Adv Res Inst Sci & Engn, Tokyo, Japan Waseda Univ, Adv Res Inst Sci & Engn, Tokyo, JapanKashiwagi, K.论文数: 0 引用数: 0 h-index: 0机构: Waseda Univ, Adv Res Inst Sci & Engn, Tokyo, Japan Waseda Univ, Adv Res Inst Sci & Engn, Tokyo, JapanOkuno, S.论文数: 0 引用数: 0 h-index: 0机构: Waseda Univ, Adv Res Inst Sci & Engn, Tokyo, Japan Waseda Univ, Adv Res Inst Sci & Engn, Tokyo, JapanNishimura, J.论文数: 0 引用数: 0 h-index: 0机构: Waseda Univ, Adv Res Inst Sci & Engn, Tokyo, Japan Waseda Univ, Adv Res Inst Sci & Engn, Tokyo, JapanYamagami, T.论文数: 0 引用数: 0 h-index: 0机构: Waseda Univ, Adv Res Inst Sci & Engn, Tokyo, Japan Waseda Univ, Adv Res Inst Sci & Engn, Tokyo, JapanSaito, Y.论文数: 0 引用数: 0 h-index: 0机构: Waseda Univ, Adv Res Inst Sci & Engn, Tokyo, Japan Waseda Univ, Adv Res Inst Sci & Engn, Tokyo, JapanFuke, H.论文数: 0 引用数: 0 h-index: 0机构: Waseda Univ, Adv Res Inst Sci & Engn, Tokyo, Japan Waseda Univ, Adv Res Inst Sci & Engn, Tokyo, JapanTakayanagi, M.论文数: 0 引用数: 0 h-index: 0机构: Waseda Univ, Adv Res Inst Sci & Engn, Tokyo, Japan Waseda Univ, Adv Res Inst Sci & Engn, Tokyo, JapanTomida, H.论文数: 0 引用数: 0 h-index: 0机构: Waseda Univ, Adv Res Inst Sci & Engn, Tokyo, Japan Waseda Univ, Adv Res Inst Sci & Engn, Tokyo, JapanUeno, S.论文数: 0 引用数: 0 h-index: 0机构: Waseda Univ, Adv Res Inst Sci & Engn, Tokyo, Japan Waseda Univ, Adv Res Inst Sci & Engn, Tokyo, JapanMakino, F.论文数: 0 引用数: 0 h-index: 0机构: Waseda Univ, Adv Res Inst Sci & Engn, Tokyo, Japan Waseda Univ, Adv Res Inst Sci & Engn, Tokyo, JapanShibata, M.论文数: 0 引用数: 0 h-index: 0机构: Waseda Univ, Adv Res Inst Sci & Engn, Tokyo, Japan Waseda Univ, Adv Res Inst Sci & Engn, Tokyo, JapanKatayose, Y.论文数: 0 引用数: 0 h-index: 0机构: Waseda Univ, Adv Res Inst Sci & Engn, Tokyo, Japan Waseda Univ, Adv Res Inst Sci & Engn, Tokyo, JapanKuramata, S.论文数: 0 引用数: 0 h-index: 0机构: Waseda Univ, Adv Res Inst Sci & Engn, Tokyo, Japan Waseda Univ, Adv Res Inst Sci & Engn, Tokyo, JapanIchimura, M.论文数: 0 引用数: 0 h-index: 0机构: Waseda Univ, Adv Res Inst Sci & Engn, Tokyo, Japan Waseda Univ, Adv Res Inst Sci & Engn, Tokyo, JapanUchihori, Y.论文数: 0 引用数: 0 h-index: 0机构: Waseda Univ, Adv Res Inst Sci & Engn, Tokyo, Japan Waseda Univ, Adv Res Inst Sci & Engn, Tokyo, JapanKitamura, H.论文数: 0 引用数: 0 h-index: 0机构: Waseda Univ, Adv Res Inst Sci & Engn, Tokyo, Japan Waseda Univ, Adv Res Inst Sci & Engn, Tokyo, JapanKasahara, K.论文数: 0 引用数: 0 h-index: 0机构: Waseda Univ, Adv Res Inst Sci & Engn, Tokyo, Japan Waseda Univ, Adv Res Inst Sci & Engn, Tokyo, JapanMurakami, H.论文数: 0 引用数: 0 h-index: 0机构: Waseda Univ, Adv Res Inst Sci & Engn, Tokyo, Japan Waseda Univ, Adv Res Inst Sci & Engn, Tokyo, JapanKobayashi, T.论文数: 0 引用数: 0 h-index: 0机构: Waseda Univ, Adv Res Inst Sci & Engn, Tokyo, Japan Waseda Univ, Adv Res Inst Sci & Engn, Tokyo, JapanKomori, Y.论文数: 0 引用数: 0 h-index: 0机构: Waseda Univ, Adv Res Inst Sci & Engn, Tokyo, Japan Waseda Univ, Adv Res Inst Sci & Engn, Tokyo, JapanMizutani, K.论文数: 0 引用数: 0 h-index: 0机构: Waseda Univ, Adv Res Inst Sci & Engn, Tokyo, Japan Waseda Univ, Adv Res Inst Sci & Engn, Tokyo, JapanTerasawa, T.论文数: 0 引用数: 0 h-index: 0机构: Waseda Univ, Adv Res Inst Sci & Engn, Tokyo, Japan Waseda Univ, Adv Res Inst Sci & Engn, Tokyo, JapanStreitmatter, R. E.论文数: 0 引用数: 0 h-index: 0机构: Waseda Univ, Adv Res Inst Sci & Engn, Tokyo, Japan Waseda Univ, Adv Res Inst Sci & Engn, Tokyo, JapanMitchell, J. W.论文数: 0 引用数: 0 h-index: 0机构: Waseda Univ, Adv Res Inst Sci & Engn, Tokyo, Japan Waseda Univ, Adv Res Inst Sci & Engn, Tokyo, JapanBarbier, L. M.论文数: 0 引用数: 0 h-index: 0机构: Waseda Univ, Adv Res Inst Sci & Engn, Tokyo, Japan Waseda Univ, Adv Res Inst Sci & Engn, Tokyo, JapanMoiseev, A. A.论文数: 0 引用数: 0 h-index: 0机构: Waseda Univ, Adv Res Inst Sci & Engn, Tokyo, Japan Waseda Univ, Adv Res Inst Sci & Engn, Tokyo, JapanKrizmanic, J. F.论文数: 0 引用数: 0 h-index: 0机构: Waseda Univ, Adv Res Inst Sci & Engn, Tokyo, Japan Waseda Univ, Adv Res Inst Sci & Engn, Tokyo, JapanOrmes, J. F.论文数: 0 引用数: 0 h-index: 0机构: Waseda Univ, Adv Res Inst Sci & Engn, Tokyo, Japan Waseda Univ, Adv Res Inst Sci & Engn, Tokyo, JapanBinns, W. R.论文数: 0 引用数: 0 h-index: 0机构: Waseda Univ, Adv Res Inst Sci & Engn, Tokyo, Japan Waseda Univ, Adv Res Inst Sci & Engn, Tokyo, JapanIsrael, M. H.论文数: 0 引用数: 0 h-index: 0机构: Waseda Univ, Adv Res Inst Sci & Engn, Tokyo, Japan Waseda Univ, Adv Res Inst Sci & Engn, Tokyo, JapanKrawzczynski, H. S.论文数: 0 引用数: 0 h-index: 0机构: Waseda Univ, Adv Res Inst Sci & Engn, Tokyo, Japan Waseda Univ, Adv Res Inst Sci & Engn, Tokyo, JapanCaser, G.论文数: 0 引用数: 0 h-index: 0机构: Waseda Univ, Adv Res Inst Sci & Engn, Tokyo, Japan Waseda Univ, Adv Res Inst Sci & Engn, Tokyo, JapanCherry, M. L.论文数: 0 引用数: 0 h-index: 0机构: Waseda Univ, Adv Res Inst Sci & Engn, Tokyo, Japan Waseda Univ, Adv Res Inst Sci & Engn, Tokyo, JapanGuzik, T. G.论文数: 0 引用数: 0 h-index: 0机构: Waseda Univ, Adv Res Inst Sci & Engn, Tokyo, Japan Waseda Univ, Adv Res Inst Sci & Engn, Tokyo, JapanIsbert, J. B.论文数: 0 引用数: 0 h-index: 0机构: Waseda Univ, Adv Res Inst Sci & Engn, Tokyo, Japan Waseda Univ, Adv Res Inst Sci & Engn, Tokyo, JapanWefel, J. P.论文数: 0 引用数: 0 h-index: 0机构: Waseda Univ, Adv Res Inst Sci & Engn, Tokyo, Japan Waseda Univ, Adv Res Inst Sci & Engn, Tokyo, JapanMarrocchesi, P. S.论文数: 0 引用数: 0 h-index: 0机构: Waseda Univ, Adv Res Inst Sci & Engn, Tokyo, Japan Waseda Univ, Adv Res Inst Sci & Engn, Tokyo, JapanMaestro, P.论文数: 0 引用数: 0 h-index: 0机构: Waseda Univ, Adv Res Inst Sci & Engn, Tokyo, Japan Waseda Univ, Adv Res Inst Sci & Engn, Tokyo, JapanBagliesi, M. G.论文数: 0 引用数: 0 h-index: 0机构: Waseda Univ, Adv Res Inst Sci & Engn, Tokyo, Japan Waseda Univ, Adv Res Inst Sci & Engn, Tokyo, JapanMillucci, V.论文数: 0 引用数: 0 h-index: 0机构: Waseda Univ, Adv Res Inst Sci & Engn, Tokyo, Japan Waseda Univ, Adv Res Inst Sci & Engn, Tokyo, JapanMeucci, M.论文数: 0 引用数: 0 h-index: 0机构: Waseda Univ, Adv Res Inst Sci & Engn, Tokyo, Japan Waseda Univ, Adv Res Inst Sci & Engn, Tokyo, JapanBigongiari, G.论文数: 0 引用数: 0 h-index: 0机构: Waseda Univ, Adv Res Inst Sci & Engn, Tokyo, Japan Waseda Univ, Adv Res Inst Sci & Engn, Tokyo, JapanZei, R.论文数: 0 引用数: 0 h-index: 0机构: Waseda Univ, Adv Res Inst Sci & Engn, Tokyo, Japan Waseda Univ, Adv Res Inst Sci & Engn, Tokyo, JapanLigabue, F.论文数: 0 引用数: 0 h-index: 0机构: Waseda Univ, Adv Res Inst Sci & Engn, Tokyo, Japan Waseda Univ, Adv Res Inst Sci & Engn, Tokyo, Japan
- [7] The ASIM Mission on the International Space StationSpace Science Reviews, 2019, 215Torsten Neubert论文数: 0 引用数: 0 h-index: 0机构: Technical University of Denmark (DTU Space),National Space InstituteNikolai Østgaard论文数: 0 引用数: 0 h-index: 0机构: Technical University of Denmark (DTU Space),National Space InstituteVictor Reglero论文数: 0 引用数: 0 h-index: 0机构: Technical University of Denmark (DTU Space),National Space InstituteElisabeth Blanc论文数: 0 引用数: 0 h-index: 0机构: Technical University of Denmark (DTU Space),National Space InstituteOlivier Chanrion论文数: 0 引用数: 0 h-index: 0机构: Technical University of Denmark (DTU Space),National Space InstituteCarol Anne Oxborrow论文数: 0 引用数: 0 h-index: 0机构: Technical University of Denmark (DTU Space),National Space InstituteAstrid Orr论文数: 0 引用数: 0 h-index: 0机构: Technical University of Denmark (DTU Space),National Space InstituteMatteo Tacconi论文数: 0 引用数: 0 h-index: 0机构: Technical University of Denmark (DTU Space),National Space InstituteOle Hartnack论文数: 0 引用数: 0 h-index: 0机构: Technical University of Denmark (DTU Space),National Space InstituteDan D. V. Bhanderi论文数: 0 引用数: 0 h-index: 0机构: Technical University of Denmark (DTU Space),National Space Institute
- [8] ROUND-TRIP MISSION REQUIREMENTS FOR ASTEROID-1976-AA AND ASTEROID-1973-ECICARUS, 1977, 31 (04) : 430 - 438NIEHOFF, JC论文数: 0 引用数: 0 h-index: 0机构: SCI APPL INC,SCHAUMBURG,IL 60195 SCI APPL INC,SCHAUMBURG,IL 60195
- [9] JEM EUSO mission on International Space StationTAUP2007: TENTH INTERNATIONAL CONFERENCE ON TOPICS IN ASTROPARTICLE AND UNDERGROUND PHYSICS, 2008, 120Takahashi, Yoshiyuki论文数: 0 引用数: 0 h-index: 0机构: Univ Alabama, Dept Phys, Huntsville, AL 35899 USA Univ Alabama, Dept Phys, Huntsville, AL 35899 USA
- [10] Airline choice model for international round-trip flights: The role of travelers' satisfaction and personality traitsRESEARCH IN TRANSPORTATION ECONOMICS, 2021, 90Munoz, Claudia论文数: 0 引用数: 0 h-index: 0机构: Univ Antioquia, Environm Sch, Medellin, Colombia Univ Nacl Colombia, Dept Civil Engn, Medellin, Colombia Univ Antioquia, Environm Sch, Medellin, ColombiaLaniado, Henry论文数: 0 引用数: 0 h-index: 0机构: Univ EAFIT, Dept Ciencias Matemat, Medellin, Colombia Univ Antioquia, Environm Sch, Medellin, Colombia