TY  - BOOK
AU  - Mohd Rafiq Gania/388
AU  - Shahid Showket, Nazia Altaf
AU  - Taufiq-Ul-Hassan/360
TI  - DTMF MultChannel Switching
U1  - 105.23 
PY  - 1999///
CY  - Jammu
KW  - ECE
ER  -