Affiliation: | a Fraunhofer Institute for High Speed Dynamics, EMI, Eckerstr. 4, 79104 Freiburg, Germany b Southwest Research Institute, P.O. Drawer 28510, San Antonio, TX 78228, USA c Southwest Research Institute, 5353 Wayzata Blvd., Minneapolis, MN 55416, USA d International Research Associates, Inc., 4450 Black Avenue, Pleasanton, CA 94566, USA e U. S. Army RDECOM-TACOM, AMSTA-TR, Warren, MI 48397, USA |