1. Bashford, E. F.,Murray, J. A.,Haaland, M. andBowen, W. H. (1908).Third Sci. Rep. Cancer Res. Fd., Lond., p. 262.
2. Bittner, J. J. (1929). “The experimental determination of an invisible mutation.”Pap. Mich. Acad. Sci. 11, 349–51.
3. —— (1930). “Quadruple inoculations of an adeno-carcinoma.”Amer. J. Cancer,14, 466–75.
4. —— (1931). “A genetic study of the transplantation of tumors arising in hybrid mice.” Ibid.,15, 2202–47.
5. —— (1932). “Genetic studies on the transplantation of tumors. III. Interpretation of apparent rhythms.” Ibid.,16, 1144–52.