000 00372nam a2200133Ia 4500
008 190711s9999 xx 000 0 und d
082 _a627.48061 B621
100 _aBISWAS,A.K
245 0 _aINTERNATIONAL SYMPOSIUM ON MODELLING TECHNIQUES IN WATER RESOURCES SYSTEMS
250 _a3
260 _aOTTAWA
_bDEPT. OF ENVIRONMENT
_c1972
300 _a22X15
942 _cBK
_2DDC
999 _c16057
_d16057