1. Chemicals and environmental carcinogenesis in man;Clayson;Europ. J. Cancer,1967
2. Higginson, J. (1969). Present trends in cancer epidemiology. In Proc. 8th Canadian Cancer Conference, Honey Harbor 1968, Pergamon of Canada, Toronto, pp. 40–73.
3. Legislation concerning chemical carcinogens in several industrialized countries;Montesano;Cancer Res.,1977
4. Chemische Carcinogene in der menschlichen Umwelt;Preussmann,1975
5. Entstehung, Wachstum und Chemotherapie maligner Tumoren;Schmähl,1970