Reliability and validity of two instruments designed etc

An article which explores two instruments used to assess the suitability of roads and sidewalks
Author(s):
James Emery,Carolyn Crump,Philip Bors
Publisher(s):
American Journal of Health Promotion
Reference #:
unknown
Date Published:
Oct-03
Copyright:
Region:
USA Location: unknown
Country (exc. NZ): 
Taxonomy upgrade extras: