J.H. Taylor, P.S. Woods,W.L. Hughes: THE ORGANIZATION AND DUPLICATION OF CHROMOSOMES AS REVEALED BY AUTORADIOGRAPHIC STUDIES USING TRITIUM-LABELED THYMIDINEE. In: Proc Natl Acad Sci U S A. 43. Jahrgang, Nr.1, 1957, S.122–138, PMID 16589984, PMC 528395 (freier Volltext).