edited by R.W. Dunford and F.P. Calaprice. edited by C.E. Vandoni and D.A. Duce. edited by C.H. Bamford and C.F.H. Tipper. edited by T.N. Clifford and I.G. Gass. edited by V.H. Heywood and D.M. Moore. edited by R.W. Frei and J.F. Lawrence. edited by A.K. Sood and A.H. Qureshi. edited by A.S. Tooth and J. Spence. edited by H.A. David and H.T. David. edited by B. Greenwood and R.A. Davis, Jr.