Stereotoner--dźwiękowy aparat do czytania dla niewidomych
By: Stanisław Jakubowski.
Series: Prace CO PAN ; 277
Publisher: CO PAN
Published: 1977
Place of publication: Warszawa
Language: pol
Subjects: Blind, Apparatus for the.
Notes: Bibliography: p. [10]
Summary also in English and Russian.
450 copies printed.