Brown, D. J. The pyramidines / D. J. Brown, with an essay by S. F. Mason. - New York : Interscience Publishers. ; 1962 - 774 p. : ill. ; 24 cm. - The Chemistry of heterocyclic compounds , v.16 . Includes bibliographical references. Subjects--Topical Terms: Pyrimdines. Dewey Class. No.: 547.593