Wehr, M. Russell 1902- Physics of the atom / M. Russell Wehr, James A. Richards, Jr., Thomas W. Adair III. - 4th ed. - Reading, Mass. : Addison-Wesley Pub. Co., c1984. - xiii, 589 p. : ill. ISBN: 0201088789 Subjects--Topical Terms: Matter--Constitution.Nuclear physics. Dewey Class. No.: 539.7 / W414