Mann, W. B. 1908-2001. Radioactivity and its measurement / [by] Wilfrid B. Mann and S.B. Garfinkel. - Secod edition revised and expanded - 168 pages : illustrations ; 21 cm. - Van Nostrand momentum book no. 10 . Bibliography: p. 161. LCCN: 65028993 Subjects--Topical Terms: Radioactivity. LC Class. No.: QC795 / .M242 Dewey Class. No.: 539.75