000 00358cam a22001217a 4500
008 180718b1959 xxu||||| |||| 00| 0 eng d
082 _aZ4 B565
100 _aBleck, John D.
245 _aEconomics for agriculture
_cby John D. Bleck
260 _aCambridge, Mass.
_bHarvard University Press
_c1959
300 _a719p.
650 _aAgriculture --Economic aspects
999 _c478365
_d478365