Coombe, R. A. An introduction to radioactivity for engineers / R. A. Coombe. - London, Melbourne [etc.], New York, Macmillan; St. Martin's P., 1968. - xi, 164 p.: table, figs., ill.; 23 cm. Includes bibliographical reference and index English LCCN: 68019510 Nat. Bib. No.: B68-11140 Subjects--Topical Terms: Radioactivity.Radioisotopes. LC Class. No.: TK9400 / .C67 Dewey Class. No.: 539.77/COI