Pines, David Elementary excitations in solids. - New York W.A. Benjamin 1963. - xii, 299 p. diagrs. 24 cm. - Lecture notes and supplements in physics. . Includes bibliographies. LCCN: 63019982 //r893 Subjects--Topical Terms: SolidsQuasiparticles (Physics) LC Class. No.: QC176 / .P5 Dewey Class. No.: 531