Yanker, Gary <br/><br/>
Walking medicine  the life time guide to preventive and therapeutic exercise walking programe 
Gary Yanker .. et al. 
 - New York  McGrawHill  1990 
 - xxix, 480p., ill.; 23cm. 
<br/><br/><label>Dewey Class. No.: </label>613.7176  / Y01W