Foreword by: Frauke Beller, M. Hansmann
Contributions by: I. Anton-Lamprecht, A. Antsaklis, Frauke Beller, B. Brambati, F. Daffos, R.J. Desnick, F. Forestier, M.S. Golbus, J.S. Goldberg, W.A. Hogge, W. Holzgreve, J. Horst, P. Miny, K.H. Nicolaides, I.-H. Pawlowitzki, R. Rauskolb, C.H. Rodeck, G. Simoni, A. Zwinger