MILLIKIN, DONALD D.
Elementary cryptography and cryptanalysis. 3d ed.
MILLIKIN, DONALD D. Elementary cryptography and cryptanalysis. 3d ed. © 27Oct43; AA442300. Ruth K. Millikin (Mrs. D. D. Millikin) (W); 16Nov70; R496461.
Ruth K. Millikin|Mrs. D. D. Millikin|||W