000 00249nam a2200085Ia 4500
001 MPKV106979
008 120911s9999 xx 000 0 und d
245 _aJournal of Agricutural Science Vol. 107 Part : 1-3
_c;
260 _aLondan
_bCambridge Univ.
_c1986
999 _c70357
_d70357