%0 Book %A Heiberg, William L. (William Lytle), 1938- %I National Defense University Press ; For sale Supt. of Docs., U.S. G.P.O. %D 1983 %C Fort Lesley J. McNair, Washington, DC : Washington, D.C. %G English %B National security affairs monograph series ; %T The sixteenth nation : Spain's role in NATO