Notes
James B. Pick is Director of the Computer Facility and adjunct lecturer, Graduate School of Management, University of California at Riverside. Swapan Nag is Manager of Computing at Airborne Systems, Inc., Anaheim, California. Glenda Tellis is a graduate student in the Department of Sociology and Edgar W. Butler is Professor of Sociology at University of California, Riverside. This project was made possible by UCMEXUS grants, two Academic Senate intramural grants to Edgar W. Butler, and funds from the UCR‐MEXUS program and UCR‐Mexico Collaborative Research and Training Groups. Appreciation is hereby extended to these funding agencies and to Professors Adalberto Aguirre and Robert Singer. Alex Ramirez, William Vanore, and Larry Sautter helped bring this paper to fruition by providing generous access to computer plotting facilities. We thank the journal reviewers and Dr. Hiroshi Fukurai for valuable suggestions and comments.