000 00363nam a2200109Ia 4500
008 120922s9999 xx 000 0 und d
020 _a0 12 157850 X
082 _a591.133 J74N
245 _aNitrogen metabolism and the environment/symposium
_cSymposium on Nitrogen Metabolism and the Environme
260 _bAcademic
_aLondon
_c1972
300 _axi, 318p.: ill.,tab.
999 _c100882
_d100882