Price Discrimination: The Robinson-Patman Act, and Related Matters : Hearings Before the Select Committee on Small Business, House of Representatives, Eighty-fourth Congress, First Session, Pursuant to H. Res. 114, a Resolution Creating A Select Committee to Conduct a Study and Investigation of the Problems of Small Business. October 31, November 1, 2, 3, 4, 1955. Part I., Part 2