MAP20100088401 Graf v. d. Schulenburg, J. Matthias Recent developments of health insurance in West Germany / J. Matthias Graf v. d. Schulenburg En: Geneva papers on risk and insurance : issues and practice. - Geneva : The Geneva Association, 1976- = ISSN 1018-5895. - 01/10/1987 Tomo 12 Número 4 - 1987