00319nam a2200121Ia 45000030006000000080041000060400015000471000029000622450055000912600022001465460012001680050017001800STCL150530s9999    xx            000 0 und d  aSTCLcSTCL  aWolfe, T.K.; Kipps, M.S.  aProduction of field crops: a text book of agronomy  bMcgraw hillc1959  aEnglish20220125170342.0