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Reprinted from Journal of Molecular Biology 3, Alexander Rich, David Davies, Francis Crick, and James D. Watson, "The Molecular Structure of Polyadenylic Acid," 71-86, Copyright 1961, with permission from Elsevier., http://www.sciencedirect.com/, and Single copies may be downloaded and printed for the reader's personal research and study.
Periodical. Rich, Alexander, David Davies, Francis Crick, and James D. Watson. "The Molecular Structure of Polyadenylic Acid." Journal of Molecular Biology 3, (1961): 71-86. Article. 18 Images.. Journal of Molecular Biology