000 00286nam a22001217a 4500
020 _a9788190851299
082 _a551.48
_bGUR/ES
100 _aGurugnanam
245 _aEssentials of Hydrogeology
260 _aNew Delhi
_bNew India Publishing Agency
_c2009
300 _a268
942 _cBK
999 _c13697
_d13697