TY - BOOK AU - Cole,Marion TI - Introduction to telecommunications : voice,data and the internet SN - 8178089734 : U1 - 621.382 19 PY - 2002/// CY - Delhi PB - Pearson Education KW - Telecommunications KW - Spines KW - Multiplexing; Data communication; Data neworking; ISDN; ADSL; Personal communication; Mobile telephone N2 - Engineering ER -