000 00251nam a2200085Ia 4500
008 140208s9999 xx 000 0 und d
245 _aAmerican Journal of Agril. - Economics v.91 (4-5), 2009
_c
260 _bBlack well Publishing
_a
_c2009
942 _2udc
_cP
999 _c35594
_d35594