00738nam0-22002531i-450-990002610000403321000261000FED01000261000(Aleph)000261000FED0100026100020000920d1963----km-y0itay50------baENGConcentration in the Manufacturing Industries of the United Statesdi NELSONNew HavenYale University Press1963Nelson,R.l.369172ITUNINARICAUNIMARCBK9900026100004033212-5n.i.ECAECAConcentration in the Manufacturing Industries of the United States433307UNINAING01