Infrared locator for orientation of the blind
autor
vastutusandmed
A.Girilov [i.e. A.Gavrilov] and A.Teresk
allikas
Electronics world
ilmumisaasta
leheküljed
July, p. 48 : ill
Gavrilov, A., Teresk, A. Infrared locator for orientation of the blind // Electronics world (2004), July, p. 48 : ill.