共 42 条
[1]
ALEXANDER D, 1990, UNPUB CASE BANGLADES
[2]
[Anonymous], NATL GEOGRAPHICAL J
[3]
[Anonymous], 1989, HIMALAYAN DILEMMA RE
[4]
BINGHAM A, 1989, NEW SCI, V124, P42
[5]
Bolt B. A., 1977, GEOLOGICAL HAZARDS
[6]
Boyce J., 1987, AGRARIAN IMPASSE BEN
[7]
Boyce J. K., 1986, Bangladesh Development Studies, V14, P1
[9]
Brammer H., 1980, Ceres, V13, P24