000 00309nam a22001337a 4500
020 _aNA
082 _222
_a628.114
100 _aRamakrishnan S.
245 _aGround water /
260 _aTamilnadu,
_bS. Ramakrishan
_cc1998.
300 _axii, 471 p. ;
_bill. ;
_c22 cm.
400 _a.
942 _2ddc
_cCIVIL
_01
999 _c159
_d159