Griffiths, R.E. and Bradt, H. and Doxsey, R. and Friedman, H. and Gursky, H. and Johnston, M. and Longmore, A. and Malin, D.F. and Murdin, P. and Schwartz, D.A. and Schwarz, J.
Johnston, M.D. and Bradt, H.V. and Doxsey, R.E. and Griffiths, R.E. and Schwartz, D.A. and Schwarz, J. and Johnston, M.D. and Bradt, H.V. and Doxsey, R.E. and Griffiths, R.E. and Schwartz, D.A. and Schwarz, J.