1. Argoudelis, A. D., and R. R. Herr: Sparsomycin, a new antitumor antibiotic. II. Isolation and characterization. Antimicrobial Agents and Chemotherapy, p. 780 (1962).
2. Biswas, B. B., M. Edmonds, and R. Abrams: Methylation of the purines of soluble RNA with methyl labeled methionine. Biochem. Biophys. Research Commun. 6, 146 (1961).
3. Colombo, B., L. Felicetti, and C. Bagliono: Inhibition of protein synthesis by antibiotics in reticulocytes. Biochim. et Biophys. Acta (in press) (1965).
4. Owen, S. P., A. Dietz, and G. W. Camiener: SparSomycin, a new antitumor antibiotic. I. Discovery and biological properties. Antimicrobial Agents and Chemotherapy, p. 772 (1962).
5. Pittillo, R. F., M. Lucas, C. Woolley, R. T. Blackwell, and C. Moncrief: Sparsomycin modification of the lethal action of ionizing irradiation on Eschei’ichia coli. Nature 205, 773 (1965).