00297nam a2200121Ia 45000030006000000080041000060400015000471000028000622450035000902600021001255460012001460050017001580STCL150530s9999 xx 000 0 und d aSTCLcSTCL aWheland George Williard aResonance in organic chemistry bJohn Wileyc1955 aEnglish20220125170316.0