TY  - BOOK
AU  - Udupa 
TI  - TMN : telecommunications management network 
SN  - 0070658153 
U1  - 621.382 UDU 1999 
PY  - 1999///
CY  - New York
PB  - McGraw Hill
KW  - TMN (Telecommunication system)
N1  - Includes bibliographical references and index
ER  -