Draganic', Ivan G. Radiation and radioactivity on earth and beyond / Ivan G. Draganic', Zorica D. Draganic', Jean-Pierre Adloff. - 2nd ed. - Boca Raton, Fla. : CRC Press, 1993. - 349 p. : ill. ; 24 cm. Includes bibliographical references and index. ISBN: 0849386756 Subjects--Topical Terms: Ionizing radiation.Radioactivity.Earth sciences.Astrophysics.