{"contributors":[{"last":"Fouche","middle":"Helen","first":"Gaines","function":"author"}],"style":"apa","source":"book","isbn":null,"book":{"":""},"oclc":"875875097","pubnonperiodical":{"year":"1956","volume":"","publisher":"Dover","city":"New York","title":"Cryptanalysis : a study of ciphers and their solution : formerly published under the title Elementary cryptanalysis"},"datasource":"http:\/\/www.worldcat.org","pubtype":{"main":"pubnonperiodical"}}