1. Frösner, G. G., Frösner, H.-R., Haas, H., Dietz, K., Sugg, U., Schneider, W. Häufigkeit von Hepatitis-A-Antikörpern in Bevölkerungsgruppen verschiedener europäischer Länder. Schweiz. med. Wschr. 107 (1977) 129–133.
2. Müller, R., Willers, H., Frösner, G. G., Gerlich, W., Knocke, K. W., Sipos, S., Deicher, H., Höpken, W.: Seroepidemiology of viral hepatitis infection. Infection (in press).
3. Frösner, G. G., Overby, L. R., Flehmig, B., Gerth, H.-J., Haas, H., Deicher, R. H., Ling, Ch.-M., Zuckerman, A. J., Frösner, H.-R. Seroepidemiological investigation of patients and family contacts in an epidemic of hepatitis A. J. Med. Virol. 1 (1977) 163–173.
4. Muench, H. Catalytic models in epidemology. Harvard University Press, Harvard, 1959.
5. Schenzle, D., Dietz, K., Frösner, G. G.: Antibodies against hepatitis A in different European countries. II: Mathematical analysis of cross-sectional surveys. Am. J. Epidemiol. (in press).