Details Details PDF BIBTEX RIS Title Multichannel ultrasonic range finder for blind people navigation Journal title Bulletin of the Polish Academy of Sciences Technical Sciences Yearbook 2013 Volume 61 Issue No 3 Authors Gelmuda, W. ; Kos, A. Divisions of PAS Nauki Techniczne Coverage 633-637 Date 2013 Identifier DOI: 10.2478/bpasts-2013-0067 ; ISSN 2300-1917 Source Bulletin of the Polish Academy of Sciences: Technical Sciences; 2013; 61; No 3; 633-637