Williams, Jon L. <br/><br/>
Operant learning:    procedures for changing behavior / 
by Jon L. Williams. 
 - Monterey, Ca.:  Brooks/Cole Publishing Co.,  1973 
 - 248 p. :   ill.;   24 cm. 
<br/><br/>Bibliography: p. 216-232. 
<br/><br/><label>ISBN: </label>0818500581 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Operant conditioning.