000 00333nam a2200109Ia 4500
008 190216s9999||||xx |||||||||||||| ||und||
100 _a"Chhatwal, Mehra, Katyal, Satake, 
 Mohan Katyal & Nagahiro"
245 0 _aEnvironment Water Pollution And Its Control
260 _bAnmol Publications
_c1989
300 _a532p
942 _cBK
999 _c2768
_d2768