Edited by L.W. Slanetz [and others] edited by G.C. Hanna [and others] Edited by S. J. Geerts [and others] Edited by A. R. Rees [and others] Edited by D. B. Holt [and others] Edited by Hans Koblet [and others] Edited by J. C. Ayres [and others] Edited by J. T. Oden [and others] Edited by R. Strumane [and others] Edited by R.H. Brown [and others]