Gaines, H. F. (1956). Cryptanalysis: A study of ciphers and their solution.
Chicago Edition CitationGaines, Helen Fouche. Cryptanalysis: A Study of Ciphers and Their Solution. Dover Publcations, New York, 1956.
MLA Edition CitationGaines, Helen Fouche. Cryptanalysis: A Study of Ciphers and Their Solution. 1956.
Warning: These citations may not always be 100% accurate.