00289nam a2200133Ia 45000030006000000080041000060400015000471000014000622450031000762500010001072600009001175460012001260050017001380STCL150530s9999    xx            000 0 und d  aSTCLcSTCL  aVerma, V.  aText book of Plant ecology  aThird  c1977  aEnglish20220125170348.0