Faul, Henry. Nuclear clocks [by Henry Faul. - Washington] U.S. Atomic Energy Commission, Division of Technical Information [1966] - 60 p. illus. 22 cm. - Understanding the atom . Cover title. Bibliography: p. 58. LCCN: 67060195 //r85 Subjects--Topical Terms: Radioactive dating. LC Class. No.: QC798.D3 / F37