| 000 | 00493nam a22001697a 4500 | ||
|---|---|---|---|
| 008 | 230328b |||||||| |||| 00| 0 eng d | ||
| 020 | _a0-07-034242-3 | ||
| 040 |
_aNational Science Library _cNational Science Library |
||
| 080 |
_aD 681.324:621.39 _bN0 |
||
| 100 | 1 |
_aKessler, Gary C _95628 |
|
| 245 |
_aISDN: _bConcepts, facilities, and services |
||
| 260 |
_aNew York: _bMcGraw-Hill Inc, _c1990 |
||
| 300 | _axvi, 302p. | ||
| 650 | _aISDN | ||
| 653 | _aISDN services | ||
| 942 |
_2udc _cBK |
||
| 999 |
_c16115 _d16115 |
||