Canine ergonomics :  the science of working dogs / 
edited by William S. Helton 
 - Boca Raton :  CRC Press/Taylor & Francis,  c2009 
 - xviii, 348 p. :  ill. ;  25 cm. 
<br/><br/>Includes bibliographical references and index 
<br/><br/><label>ISBN: </label>9781420079913 1420079913 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Working dogs--Environmental enrichment<br/>Working dogs--Health<br/>Bioengineering