Codes and ciphers

Discusses the difference between codes and ciphers, examines common codes and ciphers that have been used during wars, and explains how to create simple ciphers.

Firefly Books
2009
9781554075737
book

Holdings

hidmidmiidnidwidlocation_codelocationbarcodecallnumdeweycreatedupdated
2683324120341189083014135043BATJK105BATJK42464652.8 GIL652.815774597521684524115
2683334120341189083014135043BATJK105BATJK42520652.8 GIL652.815774597521684524115
6364144384949230483014135043FABH172FABH56851327.1 GIL327.115798937721736518457
6963674440954231183014135043FANS179FANS45831652 GIL65215798937721736518457
8244464558893232683014135043PIMC385PIMC83233327.12 GIL327.1215798937721736518457
8413044573667232883014135043PIPR387PIPR67783327.12 GIL327.1215798937721736518457
16220485241817235683014135043WIIR501WIIR042677652 GIL65215814652241736518457
22382755790996224183014135043SPCVES421SPCV015883652 GIL65215825759371709307855