Ferster, Charles B.  1922- <br/><br/>
Schedules of reinforcement / 
by Charles B. Ferster and B. F. Skinner 
 - New York :  Appleton-Century-Crofts,  c1957 
 - 741 p. :  ill. ;  26 cm. 
<br/><br/>Includes bibliographical references and index 
<br/><br/><label>ISBN: </label> USD 13.50 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Reinforcement (Psychology)
<br/><br/><label>Dewey Class. No.: </label>159.4