A bibliography of recreational mathematics
By: [by] William L. Schaaf.
Edition: [4th ed.]
Publisher: National Council of Teachers of Mathematics
Published: 1970
Place of publication: Washington
Language: eng
Subjects: Mathematical recreations -- Bibliography.
Notes: Vols. 2- lack edition statement.
First-3d editions published under title: Recreational mathematics.
Vols. 4- published in Reston, Va.