000 00278nam a2200121Ia 4500
008 211126s9999 xx 000 0 und d
082 _a628.1
100 _aK.N.DUGGAL
245 0 _aELEMENTS OF WATER RESOURCES ENGG.
260 _bNEW AGE
365 _b295.00
942 _cBTECH
999 _c163315
_d163315