Dales, S. 1921- Biology of poxviruses / by S. Dales and B. G. T. Pogo. - Wien, Austria : Springer-Verlag, 1981. - 109 p. : ill. ; 26 cm. - Virology monographs ; 18 . Bibliography : p. 87-109. ISBN: 3211816437 Subjects--Topical Terms: Poxviruses.