共 17 条
[1]
[Anonymous], 1985, UNDERDEVELOPING AMAZ
[3]
Clark C.W., 1976, MATH BIOECONOMICS
[4]
Crosby AW, 1972, COLUMBIAN EXCHANGE B
[6]
ELLIOT M, 1991, ECONOMIST S 0323, P1
[8]
MICKLETHWAIT J, 1989, ECONOMIST S 1223, P1
[9]
OLDFIELD ML, 1984, VALUE CONSERVING GEN
[10]
POSTEL S, 1991, STATE WORLD 1991, P74