Zahn, E., primary, Zwicky, P., additional, Müller-Merbach, H., additional, Eckhardt, U., additional, Bühler, W., additional, de Moliére, F., additional, Streim, H., additional, Koch, G., additional, Golling, H. -J., additional, Schiemenz, B., additional, Lenzen, W., additional, Alscher, J., additional, Peeters, H., additional, Brucker, P., additional, Zwicker, E., additional, Krabs, W., additional, Bretzke, W. -R., additional, Späth, H., additional, Sommer, H., additional, Schünemann, T. M., additional, Seifert, O., additional, Kossbiel, H., additional, Rausch, K. -F., additional, Berens, W., additional, Albers, W., additional, Mag, W., additional, Heidenberger, K., additional, and Zentes, J., additional