000
00263nam a2200085Ia 4500
008
130123s9999 xx 000 0 und d
082
_a
664
245
_a
Journal of Agricultural and food Economics Vol. 1 No.1-2
260
_a
Washingron
_b
American Hemical Society
_c
2006
999
_c
80239
_d
80239