Heitler, W <br/><br/>
The quantum theory of radiation 

 - 3rd ed. 
 - Oxford  Clarendon Press  1957 
 - xiii, 430 p. 
<br/><br/><label>ISBN: </label> PON8.5 
<br/><br/><label>Dewey Class. No.: </label>537.6 H366Q