1. Principles of Virology: Molecular Biology, Pathogenesis, and Control of Animal Viruses;SJ Flint,2004
2. Chapter Ten—Molecular Determinants of the Ratio of Inert to Infectious Virus Particles;PJ Klasse,2015
3. Studies on interference in experimental influenza. I. Biological observations;P von Magnus;Mineral and Geol,1947
4. Advances in Virus Research. vol. 2 of Advances in Virus Research;P von Magnus,1954
5. Defective Interfering Animal Viruses;AS Huang,1977