Studies in topological and vector psychology /
Lewin, Kurt,1890-1947.
Iowa City, Iowa : University of Iowa Press,
1940-44.
Includes bibliographical references.
I. Studies in topological and vector psychology, by Kurt Lewin, Ronald Lippitt, Sibylle Korsch Escalona.--II. Frustration and regression: an experiment with young children, by Roger Barker, Tamara Dembo, Kurt Lewin.
Psychology.