00450nam a2200157Ia 4500008004100000020001500041082001600056100001800072245004800090260005300138300000800191650001800199650001800217653002800235653002900263170901s1998    xx            000 0 und d  a8187167068  a574.5bS16E  aSaxena, M. M. 0aEnvironmental AnalysisbWater, Soil And Air  aBikanerbAgro Botanical Publishers (India)c1998  a184  aLife sciences  aPure Sciences  aEnvironmental chemistry  aEnvironmental monitoring