000 00425nam a2200121Ia 4500
008 220204s9999 xx 000 0 und d
082 _a631.416.1
_bGAS
100 _aGASSER, J K R
245 0 _aModelling nitrogen from farm wastes: Models and systems for studying the transformation and fate of nitrogen from animal effluents applied to soil.
260 _aLondon
_bApplied
_c1979
650 _aNitrogen modelling
942 _cBK
999 _c35403
_d35403