00353nam a2200133Ia 4500008004100000020000700041040003000048082001300078100001200091245004800103260003800151300001600189650001400205190302s9999||||xx |||||||||||||| ||und||  c70  aKharagpur College Library  a546bDAS  aR K Das  aIndustrial ChemistrybOrganic and inorganic  bKallany publishersaKolkatac1987  a403 p.bV.2  aChemistry