00296nam a2200133Ia 45000030006000000080041000060400015000471000018000622450034000802500010001142600009001245460012001330050017001450STCL150530s9999    xx            000 0 und d  aSTCLcSTCL  aWebster, G.C.  aNitrogen metabolism in plants  aFirst  c1965  aEnglish20220125170336.0