000 00249nam a2200097Ia 4500
008 150310s9999 xx 000 0 und d
100 _aVARSHNEY D V & LEXMI NARAIN
245 _aWATER RESOURCES ENGG.
250 _a1
260 _c1983
_bKHANNA PUBLISHERS
999 _c11634
_d11634