000 00350nam a22001337a 4500
020 _a9788190851299
050 _aGB 1003.2
_b.G8 2009
100 _aGurugnamam, B.
245 _aEssentials of hydrogeology
_cB. Gurugnanam
260 _aIndia
_bNew india publishing agency
_c2009
300 _axvi, 269p.;
_billus.
650 _ahydrogeology
942 _cLL
999 _c3263
_d3263