United States. Congress. Senate. Committee on Finance & ProQuest (Firm). (1950). Providing for exemption from duty of certain metallic impurities in tin ores and concentrates when such impurities are not recovered. [publisher not identified].
Chicago Style (17th ed.) CitationUnited States. Congress. Senate. Committee on Finance and ProQuest (Firm). Providing for Exemption from Duty of Certain Metallic Impurities in Tin Ores and Concentrates When Such Impurities Are Not Recovered. Washington: [publisher not identified], 1950.
MLA (9th ed.) CitationUnited States. Congress. Senate. Committee on Finance and ProQuest (Firm). Providing for Exemption from Duty of Certain Metallic Impurities in Tin Ores and Concentrates When Such Impurities Are Not Recovered. [publisher not identified], 1950.