000			00370nam a2200145Ia 4500
008			180611s9999||||xx |||||||||||||| ||und||
020			_a0-86531-502-7
041			_aen
082			_a630.715
100			_aSHANER, W.W.
245		0	_aReadings in farming systerms research and development
260			_aColorado _bWestview Press _c1982
300			_axiv,175p.
942			_cLL
999			_c3467 _d3467