1. Ackermann H-W , Berthiaume L & Kasatiya SS (1970) Ultrastructure of Vi phages I to IV of Salmonella typhi. Can J Microbiol 16: 411â413.
2. Cerquetti MC & Hooke AM (1993) Vi I typing phage for generalized transduction of Salmonella typhi. J Bacteriol 175: 5294â5296.