C.F. Davis, Jr., and M.W.P. Strandberg.
"December 9, 1955"--Cover. "Reprinted from The Physical review, vol. 105, no. 2, 447-455, January 15, 1957."
Includes bibliographical references.
Army Signal Corps Contract DA36-039 SC-64637 Project 102B Dept. of the Army Project 3-99-10-022