00333nam a2200121Ia 4500008004100000041000800041082001400049100001800063245004400081250001600125260005600141650001400197230711s9999||||xx |||||||||||||| ||und||  aENG  a621bKU-C  aKuriacose J.C 0aChemistry in engineering and technology  a2nd . . Ed.  c1988aNew DelhibTata McGraw Hill Education Limited  aChemistry