1. Weiss R, Teich N, Varmus HE, Coffin J: The molecular biology of tumor viruses; RNA tumor viruses. Cold Spring Harbor Laboratory, Cold Spring Harbor, New York, 1982.
2. Hilgers J, Bentvelzen P: Interaction between viral and genetic factors in murine mammary cancer. Adv Cancer Res 26:143–195, 1979.
3. Michalides R, Van Ooyen A, Nusse R: Mouse mammary tumor virus expression and mammary tumor development. Curr Top Microbiol Immunol 106:57–78, 1983.
4. Hageman PC, Calafat J, Hilgers J: The biology of the mouse mammary tumor virus. In: Mammary tumors in the mouse, pp 391–463. Hilgers J and Sluyser M, (eds), Elsevier/ North-Holland, Amsterdam, 1981.
5. Majors JE, Varmus HE: Nucleotide sequences at host-proviral junctions for mouse mammary tumor virus. Nature 289:253–258, 1981.