Deafnet users guide.
Published: 1981
Place of publication: [S.l. : s.n.]
Language: eng
Number of pages: 55
Subjects: Telecommunications devices for the deaf -- Handbooks, manuals, etc; Telecommunication systems -- Handbooks, manuals, etc
Genres: Handbooks, manuals, etc.
Notes: Title from cover.

"May 12, 1981."