000 00315nam a2200145Ia 4500
008 220421s9999||||xx |||||||||||||| ||und||
020 _c100/-
040 _aET
100 _aGUPTA B.L
245 0 _aENGINEERING HYDROLOGY
260 _bSTANDRED PUB.
_aNEW DELHI
300 _a380
500 _a31025
942 _cBK
999 _c37040
_d37040