00302nam a2200121Ia 45000030006000000080041000060400015000471000042000622450038001042600009001425460012001510050017001630STCL150530s9999 xx 000 0 und d aSTCLcSTCL aPandey, S.C.; Puri, G.S.; Singh, J.S. aResearch methods in plant ecology c1968 aEnglish20220125170348.0