000			00456nam a22001457a 4500
003			OSt
020			_a9780309058933
082			_a338.16 NRC
245			_aPrecision agriculture in the 21st century: _bgeospatial and information technologies in crop management/ _cby National Research Council
260			_aWashington D.C.: _bNational Academy Press, _c1997.
300			_axii,149p.: _bill.; _c24cm.
504			_aBIB
650			_aagriculture
942			_2ddc _cBK
999			_c10668 _d10668