00839nam0-22003011i-450-990003707690403321200010100133726401000370769FED01000370769(Aleph)000370769FED0100037076920000920d1996----km-y0itay50------baitay-------001yy<<The >>economics of agricoltural pricesPeter G. Helmberger, Jean-Paul ChavasNew JerseyPrentice Hallc1996256 p.23 cmHelmberger,Peter G.140671Chavas,Jean-PaulITUNINARICAUNIMARCBK990003707690403321Q1.1046657DECTSDECTSEconomics of agricoltural prices500940UNINAING01