000 00273nam a2200085Ia 4500
001 MPKV109353
008 120911s9999 xx 000 0 und d
245 _aCandian Journal of Agricultural Economics Vol. 32
_c;
260 _aOttawa (Canda)
_bAgricultural Fconomics Society
_c1984
999 _c72693
_d72693