00720nam0-22002651i-450-99000730788040332120021010000730788FED01000730788(Aleph)000730788FED0100073078820021010d--------km-y0itay50------baitaStudies in the economics of SearchLippmanMc CallAmsterdams.e.1979Lippman,S.A.415397McCall,John Joseph<1933- >ITUNINARICAUNIMARCBK990007307880403321XV S 12XV S 12DTEStudies in the economics of Search696139UNINAGEN01