000 00391nam a2200133Ia 4500
999 _c28353
_d28353
082 0 4 _a630/.973
245 0 0 _aAlternative agriculture
260 _aWashington, D.C. :
_bNational Academy Press,
_c1989.
300 _axvi, 448 p. :
_bill., maps.
650 0 _aAlternative agriculture
650 0 _aAgricultural systems
856 4 0 _uhttp://site.ebrary.com/lib/rucke/Doc?id=10068405
942 _cBK