Gunther, Alfred. <br/><br/>
Microphotography in the library /    
A. Gunther. 
 - Paris :   UNESCO ,   1962. 
 - 26p. :    ill., diagrs ;    24 cm. 
<br/><br/>  Reprinted from Unesco Bulletin for Libraries, Vol. 16, No. 1, 1962. 
<br/><br/>Includes bibliographical references. 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Microphotography.--------