1. Das Silikosegranulom der Haut;Degos;Hautarzt,1959
2. Granulomatous hypersensitivity;Epstein;Progr. Allergy,1967
3. Crystals in pathologic specimens;Johnson;Path. Annu.,1972
4. Case report;Knight;Brit. J. Plast. Surg,1962
5. Pseudotuberculoma granulosum silicoticum;Rank;Brit. J. Plast. Surg.,1972