00289nam a2200097   4500082001500000100003200015245006800047260005200115300000800167650001600175  a577.14 CHE  aChemist and the Environment  aChemist and  the Environment:Theme Seminar,21 st Annual Session  aRajagiriyabInstitute of Chemistry Ceylonc1992  a85p  aEnviornment