00308nam a2200121Ia 45000030006000000080041000060400015000471000038000622450048001002600009001485460012001570050017001690STCL150530s9999    xx            000 0 und d  aSTCLcSTCL  aHuckel Walter; Rathmann, F.H.; Tr  aTheoretical principles of organic chemistry  c1958  aEnglish20220125170309.0