000 00311nam a2200121Ia 4500
008 250409s9999 xx 000 0 und d
020 _a8176251267
082 _a363.7287
_bKUM
100 _aKumar,Ram
245 0 _aEnvironmental chemical hazards
260 _aNew Delhi
_bSarup & Sons ,
_c2000
365 _a575
999 _c247765
_d247765