Walsh John W T <br/><br/>
Photometry 
Walsh John W T 
 -  1958 
 - p.  cm. 
<br/><br/><label>Standard No.: </label>36916 
<br/><br/><label>Source: </label> Textual 
<br/><br/><label>Subjects--Topical Terms: </label><br/> Holography<br/>Physics
<br/><br/><label>Dewey Class. No.: </label>C5:2, J8