000 00331nam a2200121Ia 4500
001 MPKV052206
008 120911s9999 xx 000 0 und d
082 _a630
245 _aExperimental Agriculture Vol 7
_c;
246 _aExperimental Agriculture Vol 7
260 _aLondon
_bCambridge University Press
_c1901
650 _aAgronomy
999 _c50208
_d50208