| 000 | 00379nam a22001577a 4500 | ||
|---|---|---|---|
| 003 | OSt | ||
| 008 | 230514b |||||||| |||| 00| 0 eng d | ||
| 020 | _a9788122419504 | ||
| 082 |
_a621.3821 _bGNA |
||
| 100 | _aGnanasivam, P. | ||
| 245 | _aTelecommunication switching and networks | ||
| 250 | _a2nd | ||
| 260 |
_aNew Delhi; _bNew Age _c2006 |
||
| 300 | _avi;324p | ||
| 942 |
_2ddc _cBK |
||
| 999 |
_c560 _d560 |
||