edited by J.P.D. Cooper and Richard A. Gaunt. edited by J.K. Walters and A. Wint. edited by James D. Palmer, Richard Saeks. edited by Paul N. Cheremisinoff and Richard A. Young. edited by J.A. McAllister & Richardd P Wilson. edited by Henry Buchwald, Richard L. Varco. edited by J.D. Collinson and J. Lewin. edited by Richard A. Geyer. edited by Israel Goldberg and Richard Williams. edited by J.P. Riley & Skirrow, G.