The cryptoclub
Beissinger, Janet.
The cryptoclub using mathematics to make and break secret codes workbook / [electronic resource] : Janet Beissinger, Vera Pless. - Wellesley, Mass. : A K Peters, c2006. - xvi, 199 p. : col. ill. ; 23 cm.
Includes index.
Electronic reproduction.
Palo Alto, Calif. :
ebrary,
2009.
Available via World Wide Web.
Access may be limited to ebrary affiliated libraries.
Mathematics--Juvenile literature.
Cryptography--Juvenile literature.
Electronic books.
QA40.5 / .B45 2006eb
510
The cryptoclub using mathematics to make and break secret codes workbook / [electronic resource] : Janet Beissinger, Vera Pless. - Wellesley, Mass. : A K Peters, c2006. - xvi, 199 p. : col. ill. ; 23 cm.
Includes index.
Electronic reproduction.
Palo Alto, Calif. :
ebrary,
2009.
Available via World Wide Web.
Access may be limited to ebrary affiliated libraries.
Mathematics--Juvenile literature.
Cryptography--Juvenile literature.
Electronic books.
QA40.5 / .B45 2006eb
510