International Technology Research Institute (ITRI)

World Technology (WTEC) Division

WTEC Staff Members Contributing to this Study:

R. D. Shelton, Principal Investigator, ITRI Director
Geoffrey M. Holdridge, WTEC Division Director and ITRI Series Editor
Candace Conelius, Editorial Assistant
Catrina M. Foley, Administrative Assistant
Roan E. Horning, Professional Assistant
Christopher McClintick, Head of Publications Division
Bobby A. Williams, Financial Officer
Xinye Zhang, Student Assistant

Elliot King, Editor

Copyright 1998 by Loyola College in Maryland. This work relates to NSF Cooperative Agreements ENG-9416970 and ENG-9707092. The U.S. Government retains a nonexclusive and nontransferable license to exercise all exclusive rights provided by copyright. The ISBN number for this report is 1-883712-50-5. This report is distributed by the National Technical Information Service (NTIS) of the U.S. Department of Commerce as NTIS report # PB98-158215. A list of available JTEC/WTEC reports and information on ordering them from NTIS is included on the inside back cover of this report.

Published: April 1999; WTEC Hyper-Librarian