00386nam a2200133Ia 4500008004100000020001500041041000800056084001900064100001400083245005100097260003800148653003700186653002900223160808s2000    xx            000 0 eng d  a8176251267  aeng  aG:550gD8542CC  aRam Kumar  aEnvironmental chemical hazards /cby Ram Kumar  aNew Delhi :bSarup & Sons,c2000.  aChemical Hazards - Environmental  aEnivironmental Pollution