%0 Generic %T Monopoly problems in regulated industries. hearings before the Antitrust Subcommittee (Subcommittee No. 5) of the Committee on the Judiciary, House of Representatives, Eighty-sixth Congress, first session. %U https://ezaccess.libraries.psu.edu/login?url=https://www.heinonline.org/HOL/Page?handle=hein.cbhear/cblhafdx0001&id=1&collection=congrec