00267nam a2200109Ia 4500008004100000041000800041082002200049100001000071245004200081260002600123300000800149211209s1979 xx 000 0 und d aeng a547.2 N72 SYK/PET aSYKES aSEARCH FOR ORGANIC REACTION PATHWAYS  aLONDONbLONGMANc1979 a260