edited by J. C. Eccles and J. P. Schad鈋. Edited by M. Singer and J. P. Schad鈋. edited by M. Singer and J. P. Schade. edited by W. Bargmann and J. P. Schad鈋. edited by W. Bargmann and J.P. Schad鈋. edited by J. R. Norris and M. H. Richmond. edited by J. W. Bridges and L. F. Chasseaud. edited by G. G. Roberts and M. J. Morant. edited by E. M. Bridges and D. A. Davidson. ed. by N. Wiener and J. P. Schad鈋.