Secret ciphers
Subtitle: one of a series of five mini-courses on problem solving and logical thinking
By: prepared with financial assistance from the National Science Foundation grant PES75-02213 ; design and text by Josephine and Richard Andree..
Contributors: Andree, Richard Vernon, 1919-; University of Oklahoma. Dept. of Mathematics
Edition: Preliminary trial ed
Publisher: Dept. of Mathematics, University of Oklahoma
Published: 1976
Place of publication: Norman, OK
Language: eng
Subjects: Ciphers; Problem solving -- Study and teaching; Logic
Other titles: Problem solving and creative thinking
Table of contents: value: [v.1] Text; value: [v.2] Instructors manual