- ∗ I would like to express my thanks to Fred E. Lukermann, John S. Adams, and Douglas J. Caruso for their advice and criticism; to the students in geography at Normandale State Junior College who helped carry out the survey, especially Elizabeth Jungels, Jonette Kreidweis, and Mary Vavrosky; to Richard V. Francaviglia's class in human geography at the University of Minnesota for supplementary information; to Shiu-Yeu Li and the Social Science Research Facility Center of the University of Minnesota; and to the Hodgen Fund of the University of California, Berkeley.
Annals of the Association of American Geographers
Volume 63, 1973 - Issue 3