Telecommunications
By: Chris Oxlade.
Series: 2Oth century inventions; 20th century inventions
Publisher: Raintree Steck-Vaughn
Published: 1997
Place of publication: Austin, Tex
Language: eng
Number of pages: 48
Subjects: Telecommunication; Telecommunication -- History
Notes: j-150,133

Includes bibliographical references (p. 47) and index.