TY  - BOOK
AU  - Dunsmore,Brad, Skandier,tody
AU  - x
TI  - telecommunications technologies reference: x
SN  - 812970224X  
U1  - 621.382/D885t 
PY  - 2003///
CY  - Delhi
PB  - pearson Education
KW  - telecommunications
KW  - Telecommunications
ER  -