edited by S.W. Glover and D.A. Hopwood. edited by R.W. Field and J.A. Howell. edited by L.E. Glynn and M.W. Steward. edited by I.D. Morton, A.J. MacLeod. edited by M.W. McElhinny, D.A. Valencio. edited by H.J. Greenwood. edited by G. D. Birnie and D. Rickwood. edited by R.W. Gellie and R.-R. Tavast. edited by D.A. King and D.P. Woodruff. edited by F.W. Wiffen and J.A. Spitznagel.