000 00400nam a2200121Ia 4500
001 MPKV108243
008 120911s9999 xx 000 0 und d
082 _a338.1
245 _aAmerican Journal of Agricultural Economics Vol 68 1-3
_c;
246 _aAmerican Journal of Agricultural Economics Vol 50 (PT-2)
260 _aLexington, USA
_bUniversity of Kentucky
_c1986
650 _aAgricultural Economics
999 _c71600
_d71600