A psychological analysis of plane geometry /
by Herbert D. Welte.
APA Citation
Welte, H. David. (1926). A psychological analysis of plane geometry. Iowa City, Ia.: College of Education, University of Iowa.
MLA Citation
Welte, Herbert David, 1898-. A Psychological Analysis of Plane Geometry. Iowa City, Ia.: College of Education, University of Iowa, 1926.
Warning: These citations may not always be complete (especially for serials).