Understanding telephone electronics
Understanding telephone electronics [electronic resource] / Stephen J. Bigelow, Joseph J. Carr, Steve Winder. - 4th ed. - Boston : Newnes, ©2001. - 1 online resource
Rev. ed. of: Understanding telephone electronics. 3rd ed. 1997. Includes index.
9780750671750 9780080520032 (electronic bk.)
Telephone.
TK6162 / .B54 2001