000			00343nam a2200181 4500
020			_a _c
082			_a330 AME
100			_a
245			_aAmerican journal of agricultural economics 1970, Vol.52
250			_a
260			_a _c
300			_a
490			_a
500			_a
590			_a _b _c
650			_aEconomics
942			_cBK
999			_c313740 _d313740