00250nam a2200109Ia 4500008004100000041000800041082001600049100001900065245003900084260000900123300000800132211209s1977    xx            000 0 und d  aeng  a547 N76 NES  aNESMEYANOV A N  aFUNDAMENTALS OF ORGANIC CHEMISTRY   c1977  a538