Resources are also listed by title and by publisher. 1999 by the Regents at the University of Minnesota. Originally published in May 1997. HTML version published May 1999. This publication is available in print from our publications office.
Alternative formats are available upon request.
This publication was made possible through the hard work of a number of people. We would like to take this opportunity to thank them for their specific contributions. Janet Bast, for her assistance in conducting reviews and developing the final review survey form. Kathy Burkholder and David Fee, for their assistance in verifying information and preparing the manuscript for publication. Mike Williams, for his expertise and technical assistance regarding software issues.