00289nam a2200121Ia 45000030006000000080041000060400015000471000019000622450024000812600033001055460012001380050017001500STCL150530s9999    xx            000 0 und d  aSTCLcSTCL  aKormondy, E.J.  aConcepts of ecology  bPrentice hall of Indiac1971  aEnglish20220125170349.0