Mendels Joseph <br/><br/>
Concepts of depression. 

 - New York     John Wiley       1970 
 - xiii,124p.  cm. 
<br/><br/><label>Standard No.: </label>36745 
<br/><br/><label>Source: </label> Textual 
<br/><br/><label>Dewey Class. No.: </label>S:523, L0