000			00394nam a22001337a 4500
999			_c18818 _d18818
020			_a9780521098434
082			_a630 GRI.
100			_aGRIGG, D. B.
245			_aThe Agricultural System of the World: An Environmental Approach.
260			_aNew York; _bCambridge University Press, _c1974.
300			_aix, 358 p. _bill.
500			_aIncludes Appendix, Bibliography and Index.
942			_cBK