@book{ Solr-490339, title = {Concentration in American industry. Report of the Subcommittee on Antitrust and Monopoly to the Committee on the Judiciary, United States Senate, Eight-fifth Congress, first session, pursuant to S. Res. 57 (85th Cong.) to study the antitrust laws of the United States and their administration, interpretation, and effect.}, editor = {United States. Congress. Senate. Committee on the Judiciary}, address = {Washington,}, publisher = {U.S. Govt. Print. Off.}, year = {1957}, pages = {756}, note = {At head of title: Committee print. 85th Cong., 1st sess. Senate. Report no. --.}, }