TY  - BOOK
AU  - Bates, Regis J.
TI  - Voive and data communications handbook
SN  - 0070472815
AV  - TK50105 .B38
PY  - 2001///
CY  - New delhi
PB  - Tata Mc Graw-Hill publishing company limited
KW  - telecommunication handbooks, manuals
ER  -