000
00419nam a22001697a 4500
015
_a
6480
080
_a
551.3:051
_b
PRO
100
_a
International research & training center
245
_a
River sedimentation
260
_a
China ocean press
_b
China
_c
1989
300
_a
778p.
852
_a
2R 2-2
999
_c
2273
_d
2273