| 000 | 00383nam a22001697a 4500 | ||
|---|---|---|---|
| 999 |
_c826872 _d826872 |
||
| 003 | OSt | ||
| 020 | _a9789380027524 | ||
| 082 | _a621.391:677.521 SAC | ||
| 100 | _aSachin Gupta | ||
| 245 | _aOptical Networks | ||
| 250 | _a7 | ||
| 260 |
_aNew Delhi _bS K Kataria and Sons _c2017 |
||
| 300 | _a343 | ||
| 440 | _aOptical Networks | ||
| 650 | _aOptical Networks | ||
| 942 |
_2ddc _cBK |
||