000 00285nam a2200109Ia 4500
008 191031s9999 xx 000 0 und d
100 _aBrogan (J.C)
245 0 _aNitrogen losses and surface run off from landspreading of manures
260 _bWijhoff
365 _b361
942 _cBK
999 _c211317
_d211317