| 000 | 00788cam a2200253 a 4500 | ||
|---|---|---|---|
| 005 | 20230110144623.0 | ||
| 008 | 070418s2001 nyum b a001 0 eng | ||
| 010 | _a00-046368 | ||
| 020 | _a0684869985 | ||
| 035 | _a(OCoLC)45008501 | ||
| 040 |
_aDLC _cDLC _dCIN |
||
| 050 | 0 | 0 |
_aZ103 _b.B88 2001 |
| 082 | 0 | 0 |
_a652/.8 _221 |
| 100 | 1 | _aButler, William S. | |
| 245 | 1 | 0 |
_aSecret messages : _bconcealment, codes, and other types of ingenious communication / _cWilliam S. Butler and L. Douglas Keeney. |
| 260 |
_aNew York : _bSimon & Schuster, _cc2001. |
||
| 300 |
_a192 p. : _bill. ; _c22 cm. |
||
| 504 | _aIncludes bibliographical references (p. 179-181) and index. | ||
| 650 | 0 | _aCiphers. | |
| 650 | 0 | _aCryptography. | |
| 700 | 1 | _aKeeney, L. Douglas. | |
| 942 | _2lcc | ||
| 999 |
_c44000 _d44000 |
||