000 00285nam a2200121Ia 4500
001 MPKV051150
008 120911s9999 xx 000 0 und d
082 _a630
245 _aAgriculture Vol 78
_c;
246 _aAgriculture Vol 78
260 _aLondon
_bHMSO
_c1971
650 _aAgronomy
999 _c49155
_d49155