| 000 | 00403nam a2200181Ia 4500 | ||
|---|---|---|---|
| 008 | 240220s9999 xx 000 0 und d | ||
| 041 | _aENG | ||
| 082 | _a152136 | ||
| 100 | _aBesworth B. | ||
| 245 | 0 | _aCodes ciphers and computers | |
| 260 | _aNULL | ||
| 260 | _bHayden Book Co. Inc. New Jersy. | ||
| 260 | _c1985 | ||
| 300 | _a259p. | ||
| 365 | _b197.34 | ||
| 650 | _aCOMPUTER | ||
| 942 | _cDBK | ||
| 999 |
_c16252 _d16252 |
||