The nucleic acids : chemistry and biology, vol. 2 / Edited by Erwin Chargaff, J.N. Davidson. Chargaff, Erwin, ed. Davidson, J. N. (James Norman), jt. ed. Nucleic acids. QP551 .C5 547.92 CHN Bibliographical footnotes. New York : Academic Press, 1955. 1955. 1955 Text v. eng