Fryer, Forrest W. <br/><br/>
An evaluation of level of aspiration as a training procedure / 
Forrest W. Fryer 
 - New Jersey :  Prentice-Hall,  c1964 
 - xii, 92 p. :  ill. ;  23 cm. 
 - The ford foundation doctoral dissertation series .
<br/><br/>Bibliography : p. 53-92 
<br/><br/><label>ISBN: </label> PND 2.50 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Level of aspiration
<br/><br/><label>Dewey Class. No.: </label>159.4