edited by F. A. Skinner and D. W. Lovelock. edited by A. R. Butler and M. J. Perkins. edited by G. Sumner and V.B. Livesey. edited by J. B. Fussell and G. R. Burdick. edited by J.C. Simon and R.M. Haralick. edited by K.W. Fuller and J.R. Gallon. edited by L.T. Evans and W.J. Peacock. edited by M. Singer and J. P. Schade. edited by P. L. Butzer and J. Korevaar. edited by S.K. Mitter and A. Moro.