Atomic physics vol.1, 4th. ed/ 
A.B. Gupta 
 - 4th 
 - Calcutta :  Book home  1989 
 - 335p. 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Physics
<br/><br/><label>Dewey Class. No.: </label>539.7  / G977