Establishing initial user requirements for PAM-AID: a mobility and support device to assist frail and elderly visually impaired persons
Proceedings article published in 1998 by
O'Neill Am,
Anne-Marie Burn 
,
H. Petrie,
G. Lacey,
N. Katevas,
Karlson Ma,
P. Engelbrektsson,
B. Gallagher,
H. Hunter,
D. Zoldan
,
H. Petrie,
G. Lacey,
N. Katevas,
Karlson Ma,
P. Engelbrektsson,
B. Gallagher,
H. Hunter,
D. Zoldan
