00721nam0-22002531i-450-990003103640403321000310364FED01000310364(Aleph)000310364FED0100031036420000920d--------km-y0itay50------baitaITIntegration and Competition in the Petroleum IndustryMelvin G. de ChazeauAlfred E. KahnChazeau G. MelvinKahn,Alfred E.ITUNINARICAUNIMARCBK990003103640403321H/211 DEC019329SESSESIntegration and Competition in the Petroleum Industry461936UNINAING01