00809nam a22003137i 4500 20141212093105.0 891027s1989 sp gr 000 0 spa c 0145-482X (papel) 1559-1476 (online) eng LAGROW, S.J. THE EFFECTS OF CANE-TIP DESIGN ON THREE ASPECTS OF NON VISUAL TRAVEL Discapacidad Discapacidad visual Equipamiento Industria Acción social Discapacidad Documental ET AL. JOURNAL OF VISUAL IMPAIRMENT AND BLINDNESS Vol. 82, no. 1 (1988), p. 13-16 11.4 24 P3d P3n AR 19891027 R.606 AR