United state, presendent's scientific research board <br/><br/>
Fedral research program 
United state, presendent's scientific research board 
 -  1947 
 - p.  cm. 
<br/><br/><label>Standard No.: </label>62389 
<br/><br/><label>Source: </label> Textual 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Scientific research
<br/><br/><label>Dewey Class. No.: </label>Ab4:73:N5, H7