David Ellis Baldwin."December 31, 1962." "Submitted to the Department of Physics, M.I.T., May 11, 1962, in partial fulfillment of the reqirements for the degree of Doctor of Philosophy."Bibliography: p. 57.U.S. Army, U.S. Navy, U.S. Air Force Contract DA36-039-sc-78108. Dept. of the Army Task 3-99-25-001-08. Contract DA-SIG-36-039-61-G14. National Science Foundation Grant G-9330.