Letters to the Editor
DOI: 10.1063/1.3066088
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More about the Authors
Clarence W. Metcalf. Engineered Advertising, Boston, Mass..
Stanley R. March. Carnegie Institute of Technology, Pittsburgh, Penn..
Oliver E. Buckley. Bell Telephone Laboratories, New York city.
Harry A. Bullis. General Mills, Inc., Minneapolis, Minn..
Louis N. Ridenour. The Graduate College, University of Illinois, Urbana, Ill..
L. F. Curtiss. National Bureau of Standards, Washington, D.C..
