000 00385pam a2200145a 44500
008 170807b1982 xxu||||| |||| 00| 0 eng d
020 _a0-09-147791-3
082 _a338.1/GRI
100 _aGrigg, David
245 _aThe dynamics of agricultural change: The historical experien
260 _aLondon
_bHutchinson
_c1982
300 _a260p;pbk
650 _aAgricultural innovations
650 _aAgriculture--Economic aspects
650 _aProduction economics
650 _aEconomics
906 _a35704
942 _2ddc
_cBK
999 _c35333
_d35333