1. Adami, I.G., and R.C. Kirpatrick: Trans. Ass. Amer. Phys. 10, 92 (1895).
2. Affronti, L. F: Purified protein derivatives (PPD) and other antigens prepared from atypica acid-fast bacilli and N. asteroides. Amer. Rev. resp. Dis. 79, 284 (1959).
3. Ajello, L., L.K. Georg, W. Kaplan, and L. Kaufman: Laboratory Manual for Medical Mykology. Public Heath Service Publication. 994 (1963).
4. Akün, S.: Nocardiose bei zwei Katzen in der Türkei. Dtsch. tierärztl. Wschr. 59, 202–204 (1952).
5. Alestra, L., e M. Girolami: Endocarditi da nocardie. Policlinico Med. 44, 441 (1937).