1. Dmochowski, L., in Cancer, 1, 214 (Butterworth and Co., London, 1957).
2. Marinetti, G. V., Erbland, J., and Kochen, J., Fed. Proc., 16, 837 (1957).
3. Redemann, C. N., and Lucas, H. J., Indust. Eng. Chem. (Anal. Ed.), 9, 521 (1937).
4. Cornatzer, W. E., Sandstrom, W., and Fischer, R. G., Biochim. Biophys. Acta, 49, 414 (1961).
5. Moore, D. H., Tumor Viruses of Murine Origin, Ciba Found. Symp., 107 (Little, Brown and Co., Boston, 1962).