Building a digital network
Subtitle: data communications and digital telephony, 1950-1990
By: Bryan Dewalt.
Contributors: National Museum of Science and Technology (Canada)
Series: Transformation series,; 2; Transformation series (Ottawa, Ont.) ;; 2.
Publisher: National Museum of Science and Technology
Published: 1992
Place of publication: Ottawa, Canada
Language: eng
Number of pages: 70
Subjects: Digital communications.; Digital telephone systems.
Notes: Includes bibliographical references.