000 00302 a2200121 4500
080 _a631.1
_bB 627 I
100 1 _aBlack, J.D.
245 1 _aIntroduction to economics for agriculture
_cby J.D. Black
260 _aNew York
_c1953
300 _a727 p.
650 _aAgricultural Economics
901 _a59332
999 _c42411
_d42411