00274nam a2200109Ia 4500008004100000020001800041082001400059100001400073245003400087260003500121300000800156190710s9999    xx            000 0 und d  a81-219-2614-9  a547 B148T  aBahl, B S 0aTextbook of organic chemistry  aNew DelhibS Chand & Co.c1980  a970