Gunther, Alfred <br/><br/>
Microphotography in the library / 
Alfred Gunther 
 - Paris:      UNESCO,  1962     
 - 26p.:  ill.;  24 cm. 
 - Unesco Bulletin for Libraries .
<br/><br/><label>Subjects--Topical Terms: </label><br/>Library science<br/>Photography
<br/><br/><label>Dewey Class. No.: </label>020  / GUN