edited by A. N. Worden & W. Lane-Petter. Edited by George Porter and W. Lane-Petter. edited by D. C. Ellwood and J. Melling, P. Rutter. edited by R. G. Edwards and J. F. Porter. edited by A.T. Bull, J.H. Slater. edited by Delores M. Etter. edited by J. Mort, G. Pfister. edited by W. J. Irvine and J. F. Porter. edited by W. Oettli and K. Ritter. edited by Lloyd P. Hunter.