edited by D. T. Denhardt, D. Dressler, and D. S. Ray. edited by A. Auslender, W. Oettli, and J. Stoer. edited by W. Palz, P. Chartier, and D.O. Hall. edited by F.W. Karasek, O. Hutzinger, and S. Safe. edited by A. T. Phillipson, L. W. Hall, and W. R. Pritchard. edited by C. E. Richards and A. C. Lynch. edited by D. Dowson, C.M. Taylor, and M. Godet. edited by G. L. Weissler and R. W. Carlson. edited by K.-H. Neumann, W. Barz, and E. Reinhard. edited by Richard F. Keeler, Anthony T. Tu.