Telecom crash course /
Shepard, Steven
Telecom crash course / Steven Shepard - 2nd ed. - New York : McGraw-Hill/Osborne, 2005 - 504 p. : ill. ; 23 cm.
0071451439
Telecommunication--History
Telecom crash course / Steven Shepard - 2nd ed. - New York : McGraw-Hill/Osborne, 2005 - 504 p. : ill. ; 23 cm.
0071451439
Telecommunication--History