Zeuner, Frederick Everard, 1905-1963. Dating the past an introduction to geochronology by Frederick E. Zeuner - 4th ed., rev. and enl. - Darien, Conn Hafner Publishing Company 1970 - xx, 516 p. : ill., maps. ; 24 cm. Bibliography: p. 433-490. LCCN: 76-125788 Subjects--Topical Terms: Geological timeArchaeology--Methodology