Atomic energy, research participation and technical exchange in steel technology and fracture mechanics : agreement between the United States of America and Switzerland, amending and extending the agreement of June 15 and July 9, 1979, signed at Washington and Bern May 7 and 14, 1984.
Washington, D.C. : Dept. of State : For sale by the Supt. of Docs., U.S. G.P.O.,