TY  - BOOK
AU  - DUNSMORE,BRAD
AU  - SKANDIER,TOBY
TI  - TELECOMMUNICATIONS TECHNOLOGIES REFERENCE
SN  - 978-81-317-2511-5
U1  - 150.194 4 
PY  - 2009///
CY  - Delhi
PB  - Pearson Education Asia (Pte) Ltd., Delhi 
ER  -