Postman, Leo <br/><br/>
Experimental psychology :  an introduction / 
by Leo Postman and James P. Egan 
 - New York :  Harper & Brothers Publishers,  c1949 
 - xiv, 520 p. :  ill. ;  21 cm. 
<br/><br/> Includes index 
<br/><br/><label>ISBN: </label> USD 5.50 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Psychology, Experimental
<br/><br/><label>Dewey Class. No.: </label>131