Hamilton, E. I. Applied geochronology / E.I. Hamilton ; with a chapter on comparative geochemistry by L.H. Ahrens. - London : Academic Press, 1965. - xiv, 267 p. : ill. ; 24 cm. Includes author and subject indexes. Bibliography: p. 229-246. LCCN: 65-18444 Subjects--Topical Terms: Geological time.Historical geology.