edited by J. Carlsson and N.G. Ohlson. edited by C. Carlsson and Y. Kochetkov. edited by Carl R. Johnson. edited by Jean D. Wilson. edited by B. L. H. Wilson. edited by Carl E. Pearson. edited by G.K. Hunter & C.J. Rawson. edited by J. C. Johnson. edited by John M. Kissane & W.A.D. Anderson. edited by J.R. Freney and J.R. Simpson.