edited by J. Rhodes and J. Spence. edited by A.S. Tooth & J. Spence. edited by A.S. Tooth and J. Spence. edited by D. M. Spencer. edited by J. Rees Jones edited by James F. Lawrence. edited by D.M. Spencer. edited by R. J. Hance. edited by R.W. Frei and J.F. Lawrence. edited by J. Straub and K. Scheffler.