000 00283nam a2200121Ia 4500
008 161121s9999 xx 000 0 und d
100 _aAgriculture man eclology
245 0 _aProceedings of the seminar on ecological
260 _cNIL
365 _b0
650 _aNIL
942 _cBK
999 _c94474
_d94474