000
002500000a22001090004500
245
_a
Systems approach to water management
100
_a
Biswas, A.K.
260
_a
New York
_b
McGraw-Hill
_c
1976
080
_a
627.1
_b
B5
041
_a
EN
942
_c
BK
999
_c
110583
_d
110583