William S. (Michigan Technological University, Houghton, USA) Helton 
Canine Ergonomics [EPUB ebook] 
The Science of Working Dogs

Since Canis lupus familiaris first shared a fire with man more than 15, 000 years ago, dogs have been trusted and valued coworkers. Yet the relatively new field of canine ergonomics is just beginning to unravel the secrets of this collaboration. As with many new fields, the literature on working dogs is scattered across several non-overlapping disci