Halacy, Daniel S. <br/><br/>
X-rays and gamma rays / 
[by] Daniel S. Halacy, Jr. 
 - [S.l.] :  Holiday,  1969. 
 - 159 p. 
<br/><br/>Includes bibliographical references. 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Gamma rays.<br/>Radiotherapy.<br/>X-rays.
<br/><br/><label>Dewey Class. No.: </label>539.7