Reliable digital communication.
Contributors: Careers Research and Advisory Centre.; Plessey Telecommunications & Office SystemsLtd.
Series: A-level maths and physics in practice; Hobsons science support series
Publisher: Hobsons
Published: 1985
Place of publication: Cambridge
Language: eng
Number of pages: 15
Notes: At foot of title, CRAC, and Plessey Telecommunications & Office Systems Ltd.

Cover title.