edited by C.A. Brebbia and J.J. Connor. edited by J.J. Becker and J.C. Bonner. edited by C.T. Brett and J.R. Hillman. edited by D. A. Brannan, J. G. Clunie. edited by C.A. Brebbia. edited by C.A. Brandly and C.E. Cornelius. edited by C.J. Colbourn and M.J. Colbourn. edited by C. A. Brebbia. edited by M.E. Sime and M.J. Coombs. edited by K. Hellmann and T.A. Connors.