Campbell, W E <br/><br/>
The when, how, and who of training.  [electronic resource] 

 -  Modern veterinary practice  Jul 1975 
 - 492-4 p.  digital 
<br/><br/> Publication Type: Journal Article 
<br/><br/><label>ISSN: </label>0362-8140 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Animals<br/>Behavior, Animal<br/>Dogs<br/>Learning