Code games /
Guardado en:
| Autor principal: | |
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| Formato: | Libro |
| Lenguaje: | English |
| Publicado: |
New York : London :
Sterling ; Distributed by Ward Lock,
1971.
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| Materias: |
| Notas: | Communication. Codes and ciphers. Juvenile literature (BNB/PRECIS) With answers. |
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| Descripción Física: | 112 p. : ill. ; 21cm. |
| Bibliografía: | Includes index. |
| ISBN: | 070612328X : 0806945184 0806945192 |