00294nam a2200121Ia 45000030006000000080041000060400015000471000020000622450052000822600009001345460012001430050017001550STCL150530s9999    xx            000 0 und d  aSTCLcSTCL  aBio sourse book  aTopics in the study of life the bio source book  c1971  aEnglish20220125170401.0