00389nam a2200145Ia 4500008004100000082001900041100002300060245003400083260004200117300000800159650002300167650001800190653002400208653001100232170901s1959    xx            000 0 und d  a581.8761bW27N  aWebster, George C. 0aNitrogen Metabolism in Plants  aNew YorkbROW, Peterson And Co.c1959  a152  aBotanical sciences  aPure Sciences  aNitrogen metabolism  aPlants