000 00324nam a2200121Ia 4500
008 220201s1992 xx 000 0 eng d
100 _aPRASAD, DAND CHOUDHARY
245 0 _aENVIRONMENTAL POLLUTION
260 _aLONDON
_bTHAMES AND HUDSON PUBLISHING COMPANY
_c1992
300 _a317
700 _aCHOUDHURY,M.L
942 _2ddc
999 _c60360
_d60360