Mobility, orientation, and navigation: conceptual and theoretical considerations
by George Psathas
Reference:
George Psathas, (1976), "Mobility, orientation, and navigation: conceptual and theoretical considerations", New Outlook for the Blind, vol. 70, no. 9, pp. 385–391.
Bibtex Entry:
@ARTICLE{Psathas1976,
  author = "George Psathas", 
  keywords = "EMCA, Navigation, Mobility", 
  journal = "New Outlook for the Blind", 
  number = "9", 
  pages = "385–391", 
  title = "Mobility, orientation, and navigation: conceptual and theoretical considerations", 
  volume = "70", 
  year = "1976", 
}