00883nam0 2200241 450 00002365920090227103357.020090227d1963----km-y0itay50------baengUSGBy-------001yyConcentration in the manufacturing industries of the United Statesa midcentury reportby Ralph L. NelsonNew HavenLondonYale university press1963XIV, 288 p.26 cmEconomic census studies2001Economic census studiesConcentration in the manufacturing industries of the United States44612Nelson,Ralph L.146201ITUNIPARTHENOPE20090227RICAUNIMARC000023659631/11599NAVA2Concentration in the manufacturing industries of the United States44612UNIPARTHENOPE