edited by C. A. Brebbia, W. G. Gray and G. F. Pinder. edited by A. Klinkenberg, J. L. Minne, J. L. van der. edited by R. G. Edwards and J. F. Porter. edited by W. J. Irvine and J. F. Porter. edited by C. R. Brundle and A. D. Baker. edited by B. P. Straughan and S. Walker. edited by A. Auslender, W. Oettli, and J. Stoer. edited by A. S. Strub and H. Ehringer. edited by A.G. Milnes and C.J. Miner. edited by K. W. Finlay and K. W. Shepherd.