00346nam a2200133Ia 45000030006000000080041000060400015000471000030000622450059000922500010001512600022001615460012001830050017001950STCL150530s9999    xx            000 0 und d  aSTCLcSTCL  aKoomis, W.E.; Shull, C.A.  aExperiments in plant physiology a laboratory text book  aFirst  bMcgraw hillc1939  aEnglish20220125170336.0