Poles, pulses and the network
By: edited by Brian Nicholl and Jenny Selfe.
Contributors: Nicholl, B.; Selfe, Jenny.; Bibby, Ron.; Stratford, Brian.
Series: Understanding communications -- book 2
Publisher: British Telecom Education Service
Published: 1988
Place of publication: London
Language: eng
Notes: Based on material written by Brian Stratford and Ron Bibby.