edited by G. Turian and H.R. Hohl. edited by Brian J.B. Wood. edited by Laurence R. Horn. edited by G. Duncan Mitchell. edited by G. Hall and J. M. Watt. edited by G. Ferrate and E.A. Puente. edited by G. Sumner and V.B. Livesey. edited by J.G. Tully and R.F. Whitcomb. edited by G. Izak and S. M. Lewis. edited by D.P.S. Verma and Th. Hohn.