00276nam a2200109Ia 4500008004100000041000800041082002400049100001000073245005000083260002500133300000800158211209s1981    xx            000 0 und d  aeng  a547 N75 N75 SYK/PET  aSYKES  aGUITE BOOK TO MECHANISM IN ORGANIC CHEMISTRY   bORIENT LONGMANc1981  a374