edited by C.T. Brett and J.R. Hillman. edited by J.R. Freney and J.R. Simpson. edited by Alan Crozier and John R. Hillman. edited by R.T. Pretty and D.H.R. Archer. edited by K.L. Mittal and B. Lindman. edited by C.A. Brebbia and J.J. Connor. edited by D.S. Greenaway and E.A. Warman. edited by K. W. McVoy and W. A. Friedman. edited by C.A. Brebbia. edited by C. Flamigni, J.R. Givens.