1. Baader, E. W.: Berufskrankheiten, 5. Aufl. M�nchen u. Berlin: Urban & Schwarzenberg 1960.
2. Bamberger, P. J.: Aluminium therapy in silicosis. A clinical study of the comperative effects of the metallic powder and hydrated alumina. Industr. Med. 14, 477 (1945).
3. Berry, J. W.: Aluminum therapy in advanced silicosis. Amer. Rev. Tubere. 57, 557?572; Diskussion 572?573 (1948).
4. Brown, E. W., and W. van Winkle jr.: Present status of aluminium in the therapy and prophylaxis of silicosis. J. Amer. med. Ass. 140, 1024 (1949).
5. Campbell, A. D.: Prevention of silicosis at the McIntyre Porcupine Mine. Eighth Conf. McIntyre Res. Found. Silic., Toronto, Oct. 22, 23 and 24, 1956.