Jack Hilibrand."September 7, 1956." "This report is based on a thesis that was submitted to the Department of Electrical Engineering, August 1956, in partial fulfillment of the requirements for the degree of Doctor of Science, Massachusetts Institute of Technology."Bibliography: p. 50-51.Army Signal Corps Contract DA36-039-sc-64637 Dept. of the Army Task 3-99-06-108 Project 3-99-00-100