N. M. Newmark
American Society of Civil Engineers. Engineering Mechanics Division. Committee on Structural Dynamics.
Unknown Author
National Research Council (US)
American Society of Civil Engineers. Engineering Mechanics Division. Committee on Structural Dynamics
Symposium on Earthquake and Blast Effects on Structures (1952 Los Angles)
United States. Federal Civil Defense Administration.
Carl A. Trexel
Hanns Frommhold
Robert A Williamson
T. Bangash
Geoffrey Mays
Conference on Design for the Nuclear Age (1961 Washington, D.C.)
United States. Defense Civil Preparedness Agency
Fred N Severud
American Society of Civil Engineers
Harold Everett Wessman
United States. Dept. of Defense.