"barton, r w. "
telex:a detailed exposition of the telex system of the briti: sh post office/ r.w. barton - 1 ed. - uk : pitman 1968. - "viii, 384p.; 25 cm."
hard cover
TK5541 / .B37 1968
telex:a detailed exposition of the telex system of the briti: sh post office/ r.w. barton - 1 ed. - uk : pitman 1968. - "viii, 384p.; 25 cm."
hard cover
TK5541 / .B37 1968