Semat, Henry. Introduction to atomic and nuclear physics / Henry Semat. - 3rd ed. - New York : Rinehart & company, 1954. - xii, 561 p. : ills. ; 25 cm. Includes index. 11 11 Subjects--Topical Terms: Atomic theory. Matter -- Constitution. Nuclear structure. Dewey Class. No.: 539.17 / S52i