Deep seabed minerals : resources, diplomacy, and strategic interest / prepared for the Subcommittee on International Organizations of the Committee on International Relations, House of Representatives by the Science Policy Research, Foreign Affairs and National Defense, and Economics Divisions, Congressional Research Service, Library of Congress ; foreword Clement J. Zablocki. - Zablocki, Clement John (1912-1983) (U.S. Government Printing Office, 1978)