Magnier, E.A. and Battinelli, P. and Lewin, W.H.G. and Haiman, Z. and van Paradijs, J. and Hasinger, G. and Pietsch, W. and Supper, R. and Truemper, J.
Hearn, D.R. and Richardson, J.A. and Bradt, H.V.D. and Clark, G.W. and Lewin, W.H.G. and Mayer, W.F. and McClintock, J.E. and Primini, F.A. and Rappaport, S.A.