00295nam a2200121Ia 4500008004100000041001200041082001100053100001700064245006400081260000600145650000600151700001600157221030s9999    xx            000 0 und d  aEnglish  a105.23  aB. N. Sharma 0aPractical Chemistry Class XIcby B. N. Sharma , K. B. Abrol  c0  aB  aK. B. Abrol