共 39 条
[1]
[Anonymous], 1986, FISHERMANS PROBLEM E
[2]
[Anonymous], CHANGING AM COUNTRYS
[3]
Averitt Robert T, 1968, The Dual Economy: The Dynamics of American Industry Structure
[6]
BECKLEY TM, 1999, NORX360 CAN FOR SERV
[7]
BLISS J, 1992, 8 WORLD C RUR SOC U
[8]
DOAK SC, 1996, SIERRA NEVADA ECOSYS
[9]
DRIELSMA JH, 1984, THESIS YALE U
[10]
Elo I. T., 1985, NATURAL RESOURCES RU