00767nam0-22002891i-450-990003711900403321200010100130299893x000371190FED01000371190(Aleph)000371190FED0100037119020000920d1992----km-y0itay50------baitay-------001yyAmerican industrystructure, conduct, performanceRichard E. CavesLondonPrentice-Hall1992132 pp.22 cmCaves,Richard E.418ITUNINARICAUNIMARCBK990003711900403321L1.717139DECTSDECTSAmerican Industry37550UNINAING01