000			00481nam a2200145Ia 4500
008			170101s2017 xx 000 0 und d
082			_a338.109 73 C29
245		0	_aChange in farm production and efficiency : a summary report
260			_bWashington
440			_aUSDA. Statistical bulletin, no. 548
650			_aAGRICULTURE -- ECONOMIC ASPECTS -- U. S
653			_aAGRICULTURE -- ECONOMIC ASPECTS -- U. S
653			_aAGRICULTURE -- U. S. -- FORECASTING
942			_2ddc _cB
999			_c63474 _d63474