1. De Klobusitzky, D. : In „Venomous Animals and Their Venoms“, Vol. III, p. 443 New York: Academic Press 1971
2. Ehrly, A. M. : Med. Welt 26, 446 (1975)
3. Hess, H., Keil-Kuri, E., Marshall, M.: Münch. med. Wschr.117,1317 (1975)
4. Folia Angiologica, Vol. XXIII, book 10 (1975) (10 essays about Arwin)
5. Reid, H.A.: Thrombos. Diathes. haemorrh. (Stuttg.): (Suppl.) 38, 75 (1970)