Gaines Helen Fouche. Cryptanalysis: A study of ciphers and their solution."Published previously as Elementary cryptanalysis.
Chicago Edition CitationGaines Helen Fouche. Cryptanalysis: A Study of Ciphers and Their Solution."Published Previously as Elementary Cryptanalysis.
MLA Edition CitationGaines Helen Fouche. Cryptanalysis: A Study of Ciphers and Their Solution."Published Previously as Elementary Cryptanalysis.
Warning: These citations may not always be 100% accurate.