Secret warfare : the battle of codes and ciphers.
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| Author / Creator: | Norman, Bruce. |
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| Imprint: | Washington : Acropolis Books, [c1973] |
| Description: | 187 p. : ill. ; 23 cm. |
| Language: | English |
| Subject: | |
| Format: | Print Book |
| URL for this record: | http://pi.lib.uchicago.edu/1001/cat/bib/25392 |
| Physical Description: | 187 p. : ill. ; 23 cm. |
|---|---|
| Bibliography: | Bibliography: p. 177-179. |
| ISBN: | 0874916003 |