00299nam a2200133Ia 45000030006000000080041000060400015000471000029000622450026000912500010001172600009001275460012001360050017001480STCL150530s9999    xx            000 0 und d  aSTCLcSTCL  aVyas, A.B.; Golley, F.B.  aEcologucal principles  aFirst  c1975  aEnglish20220125170347.0