COST OF AERIAL PHOTOGRAPHY

[1] AVERY G, 1962, 96 LAK STAT FOR EXP

[2] AXELSON H, 1956, INT ARCH PHOTOGRAMME, V12, P4

[3] BOCK AC, 1968, PHOTOGRAMM ENG, V34, P634

[4] EYRE LA, 1971, PHOTOGRAMM ENG, V37, P1149

[5] HOWARD WJ, 1967, COMMONW FOREST REV, V46, P36

[6] Kummer R. H., 1964, Photogrammetric Engineering, V30, P727

[7] PAIJMANS K, 1966, PHOTOGRAMMETRIA, V21, P1

[8] STELLINGWERF DA, 1969, E AFRICAN AGRICULTUR, P80

[9] ULLIMAN J, 1971, 7TH P S REM SENS ENV, P1219

[10] YOUNG HE, 1963, PHOTOGRAMMETRIC ENGI, V29, P641

[1] AVERY G, 1962, 96 LAK STAT FOR EXP

[2] AXELSON H, 1956, INT ARCH PHOTOGRAMME, V12, P4

[3] BOCK AC, 1968, PHOTOGRAMM ENG, V34, P634

[4] EYRE LA, 1971, PHOTOGRAMM ENG, V37, P1149

[5] HOWARD WJ, 1967, COMMONW FOREST REV, V46, P36

[6] Kummer R. H., 1964, Photogrammetric Engineering, V30, P727

[7] PAIJMANS K, 1966, PHOTOGRAMMETRIA, V21, P1

[8] STELLINGWERF DA, 1969, E AFRICAN AGRICULTUR, P80

[9] ULLIMAN J, 1971, 7TH P S REM SENS ENV, P1219

[10] YOUNG HE, 1963, PHOTOGRAMMETRIC ENGI, V29, P641