00257nam a2200109Ia 4500008004100000041001200041082001100053100001700064245005400081260000600135650000600141221030s9999    xx            000 0 und d  aEnglish  a105.23  aK. S. Tewari 2aA Text Book of Organic Chemistrycby K. S. Tewari  c0  aB