Zerby, Clayton D., Oak Ridge National Laboratory, to R.R.W., Rome, Italy, re further investigation and calculations [tls]; reply, 8/9/1962 [cc], Helen Thom, C. U., to Professor H. Messel, University of Sydney, re showers in lead [cc], Monte Carlo Shower plots (8 pp.) [phc], 4/3/1962

Zerby, Clayton D., Oak Ridge National Laboratory, to R.R.W., Rome, Italy, re further investigation and calculations [tls]; reply, 8/9/1962 [cc], Helen Thom, C. U., to Professor H. Messel, University of Sydney, re showers in lead [cc], Monte Carlo Shower plots (8 pp.) [phc], 4/3/1962, Box: 4, Folder: 47. Robert R. Wilson papers, 14-22-3093. Division of Rare and Manuscript Collections. https://aspace3-test.library.cornell.edu/repositories/2/archival_objects/225443 Accessed July 28, 2025.