Lewin, Kurt,  1890-1947. <br/><br/>
The conceptual representation and the measurement of psychological forces / 
by Kurt Lewin ... 
 - Durham, N. C.,  Duke university press,  1938. 
 - 2 pl., 247 p. :  diagrs. ;  23 cm. 
<br/><br/>With : Conation and our conscious life / Lundholm, Helge. Durham, N.C. : Duke university press, 1934. Bound together subsequent to publication. 
<br/><br/><label>LCCN: </label>39010228  
<br/><br/><label>Subjects--Topical Terms: </label><br/>Psychophysiology.
<br/><br/><label>LC Class. No.: </label>BF1  / .C6 vol. 1, no. 4 
<br/><br/><label>Dewey Class. No.: </label>155.4 LEW