Walker, Edward L. <br/><br/>
Conditioning and instrumental learning / 
Edward L. Walker. 
 - Belmont, Calif., :  Brooks/Cole Publ. Co.,  [1967]. 
 - xii, 161 p. :  ill. ;  23 cm. 
 - Basic concepts in psychology series .
<br/><br/>Bibliogr.: p. 143-154. 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Learning, Psychology of.<br/>Operant conditioning