000 00293nam a2200121Ia 4500
008 140113s9999 xx 000 0 und d
082 _a581.13 K2
100 _a"Mckee,H.S."
245 _aNitrogen metabolism in plants
260 _a1962
_bClared Press
_cOxford
300 _a728
942 _cBK
999 _c57220
_d57220