000 00268nam a2200121Ia 4500
008 220421s9999||||xx |||||||||||||| ||und||
040 _aET
100 _aSubramanya
245 0 _aEngineering Hydrology
260 _bTata MC
_aNEW DELHI
500 _a59699
942 _cBK
999 _c65662
_d65662