000 00294nam a2200121Ia 4500
008 191031s9999 xx 000 0 und d
100 _aHeady
245 0 _aEconomics of agricultural production and resouce use
260 _bPrentice hall
260 _c1964
365 _b45.00
942 _cBK
999 _c195852
_d195852