00283nam a2200121Ia 4500008004100000041001200041082001100053100001500064245005400079260000600133650000600139700001600145221030s9999    xx            000 0 und d  aEnglish  a105.23  aR. Gopalan 0aEngineering Chemistrycby R. Gopalan, Venkappayya  c0  aB  aVenkappayya