authors Gupta, P K Balyan, H.S. Edwards, K. Isaac, Peter Korzun, V. Röder, M Gautier, M.-F. Joudrier, P. Schlatter, A.R. Dubcovsky, J. De la Pena, R.C. Khairallah, M Penner, G. Hayden, M Sharp, P Keller, Beat Wang, R.C.C. Hardouin, J.P. Jack, Peter Leroy, Philippe
