sponsored by The Applied Mechanics Division, ASME ; edited by Eric Varley. sponsored by The Applied Mechanics Division, ASME ;edited by J. N. Reddy. sponsored by the Applied Mechanics Division, ASME ; edited by R. S. Rivlin. sponsored by the Applied Mechanics Division, ASME ; edited by W. D. Iwan. sponsored by the Applied Mechanics Division, ASME ; edited by Francis C. Moon. sponsored by the Applied Mechanics Division, ASME ; edited by C. T. Herakovich. sponsored by The Applied Mechanics Division, ASME ; edited by R. L. Spilker, K. W. Reed. sponsored by the Applied Mechanics Division, ASME ;edited by Anthony J. Kalinowski. sponsored by the Applied Mechanics Division, ASME ; edited by H.C. Merchant, T.L. Geers. sponsored by the Applied Mechanics Division, ASME ; edited by T.A. Cruse, A.B. Pifko, H. Armen.