editors, A. R. Bishop, T. Schneider. editors, A. Zlatkis, R. E. Kaiser. editors, D.D. Breimer, P. Speiser. editors: J.-P. Felber, J.-J. Scheidegger. editors, A. Pecile, E. E. Muller. editors, E. R鑥gheimer, M. Zindler. edited by U. Briefs, C. Ciborra, L. Schneider. editors, A.J. Freeman, G.H. Lander. edited by D. D. Klemm and H. J. Schneider. edited by H.-J. Schneider.