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2. A. Kornberg and T.A. Baker: DNA Replication, Second Ed., W.H. Freeman and Co., New York, 1992; a) pp. 53–97; b) pp. 439-470, and the references cited therein.
3. R.J. Suhadolnik: Nucleoside Antibiotics, Wiley-Interscience, J. Wiley and Sons, Inc., New York 1970; a review of 35 naturally occurring nucleosides.
4. R.J. Suhadolnik: Nucleosides as Biological Probes, Wiley-Interscience, J. Wiley and Sons, New York 1979; a review of 70 naturally occurring nucleosides and their nucleo-tide analogs; the author reviewed over 4, 000 publications.
5. J. Goodchild: The Biochemistry of Nucleoside Antibiotics, in Topics in Antibiotic Chemistry, Vol. 6, P.G. Sammes, Ed., J. Wiley and Sons, New York 1982, pp. 101–227; a review of 620 references.