000 00445nam a2200169Ia 4500
008 201006s1991 xx 000 0 und d
041 _aeng
082 _a617.645
100 _aSankara Pitchaiah
245 _aWater Ecology Pollution and Management
250 _a1
260 _aAllahabad
_bGug Pub
_c1991
300 _aXII 298
650 _aCommunity Dentistry(617.601)
650 _aCommunity Dentistry(617.601)
700 _aSambasiva Rao
999 _c75475
_d75475