Inproceedings

Griffiths, R.E. and Bradt, H. and Doxsey, R.E. and Friedman, H. and Gursky, H. and Johnston, M. and Leach, R. and Longmore, A. and Malin, D.A. and Murdin, P. and Ricketts, M.J. and Schwartz, D.A. and Schwarz, J. and Watson, M.G.