1. Abinanti, F. R.: Zit. nach S. S. Kalter 1960.
2. Andrewes, C. H., and W. J. Elford: Observations on anti-phage sera; , percentage law”. Brit. J. exp. Path. 14, 367 (1933).
3. Archetti, I., G. R. Dubes and H. A. Wenner: A comparative study of the prototype Hill strain of ECHO virus, type 9, and several Coxsackie-like viruses related to it antigenically. Arch. ges. Virusforsch. 9, 73 (1959).
4. Archetti, I. A. Felici, F. Ritssi and C. Fuà: Researches on the etiologic agent of the marche meningo-neuraxitis during the epidemic outbreak of the summer and autumn of 1955. Sci. med. ital. 5, 321 (1956).
5. Archetti, I. H. A. Wenner, J. Weston and G. R. Dubes: Zit. H. A. Wenner 1959.