The development of informal geometry.
By: New York, Bureau of Publications, Teachers College, Columbia University, 1942.
Publisher: AMS Press
Published: 1972
Place of publication: [New York
Language: eng
Number of pages: 178
Subjects: Geometry -- Study and teaching.
Notes: Bibliography: p. 169-178.
Reprint of the 1942 ed., issued in series: Teachers College, Columbia University. Contributions to education, no. 865.
Originally presented as the author's thesis, Columbia.