edited by S.H. Mantell and H. Smith edited by R.H. Pain, B.J. Smith edited by I.H. Marshall and E. Demuts. edited by Michael A. Smith. edited by M.E. Bushell and J.H. Slater. edited by James W. Smith. edited by John E. Smith edited by J.N. Counsell and D.H. Hornig. edited by P.J. Marto and R.H. Nunn. edited by K.H. Mutter and K. Schilling.