1. Bock, M.: Curr. Top. Microbiol. Immun. 41, 100 (1967); Becker, Y.: Antiviral Drugs. Basel: Karger 1976; Müller, W.E.G., Zahn, R.K.: Biochemistry of Antivirals. Mainz-Wiesbaden: Akademie der Wissenschaften and Steiner 1978
2. Galasso, G.J., Merigan, T.C., Buchanan, R.A. (eds.): Antiviral Agents and Viral Diseases of Man. New York: Raven Press 1979
3. Handbook of Experimental Pharmacology, Vol. 61,1982
4. Buchanan, R.A., Galasso, G.J., Merigan, T.C., in: [2], p. 681
5. Overall, J.C., in: [3], p. 305