000 00281nam a2200085Ia 4500
001 MPKV108459
008 120911s9999 xx 000 0 und d
245 _aCandian Journal of Agricultural Economics Vol. 34 No. 1-3
_c;
260 _aOttawa (Canda)
_bAgricultural Fconomics Society
_c1986
999 _c71815
_d71815