Porterfield Austin L <br/><br/>
Craetive factors in scientfic research 

 - NA  NA  1941 
<br/><br/><label>Standard No.: </label>141,181 
<br/><br/><label>Source: </label> Textual 
<br/><br/><label>Subjects--Topical Terms: </label><br/>SOCIOLOGY
<br/><br/><label>Dewey Class. No.: </label>Y1:3R, H1