edited by R. G. Edwards and J. F. Porter. edited by W. J. Irvine and J. F. Porter. edited by C. E. Richards and A. C. Lynch. edited by T. Galliard and E.I. Mercer. edited by C. R. Brundle and A. D. Baker. edited by P. Schwandt and H.O. Meyer. edited by M. V. K. Chari and P. Silvester. edited by A. S. Strub and H. Ehringer. edited by A.G. Milnes and C.J. Miner. edited by G. Cochard and P. Kessler.