edited by V.H. Heywood and D.M. Moore. edited by D. H. Hey and D. I. John. edited by J.B. Wilkinson, R.J. Moore. edited by D. Rickwood, B.D. Hames edited by D.F. Moore. edited by M. J. Howes, D. V. Morgan. edited by S. A. Petrusewicz and D. K. Longmore. edited by I.M. MacLeod and A.D. Heher. edited by S.W. Glover and D.A. Hopwood. edited by Flis Henwood and Benkamin Marent.