Textbook of elementary physics / 
edited by G. S. Landsberg. 
 - Moscow :  Mir Publishers ,  1972. 
 - v.2 ,424 p. :  illus. ;  22 cm. 
<br/><br/> Includes index. 
<br/><br/>v. 3. Oscillations and waves. Optics. Structure of atom. 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Physics.
<br/><br/><label>Dewey Class. No.: </label>530  / TEX 1972