Seismic Engineering Program Report, January-April 1978
Geological Survey (U.S.), Michael W. Higgins, Carl W. Stover, J. H. Minsch, B. Glen Reagor, Garnett P. Williams, D. G. Howell, R. B. Simon, Linda Graves Marcus, Robert Morrison Hamilton, Sam M. Pickering, David S. McCulloch, John Graham Vedder, W. J. Person