LEADER 00000nam 2200253 a 4500 001 0060865 003 UkHlHU 007 t 008 002307 0 1963 000 eng 040 UkHlHU 050 4 HD 2721 N4 100 0 Nelson, Ralph Lowell. 245 00 Concentration in the manufacturing industries of the United States :|ba midcentury report. 260 New Haven :|bYale University Press,|c1963. 300 288p. 440 0 Social Science Res. Coun., Comm. on Anal. of Econ. Census Data, Econ. cen. st., 2. 650 0 Oligopoly. 650 0 Monopolies. 650 0 Business enterprises|zUnited States. 740 0 Economic census studies, 2.
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