| 000 | 00319 a2200121 4500 | ||
|---|---|---|---|
| 020 | _a002946028x | ||
| 100 | _aStallings, William | ||
| 245 | _aISDN an introduction | ||
| 260 |
_aNew York _bMacmillan _c1990 |
||
| 300 | _axii, 420p. | ||
| 650 |
_a681.324 _xIntegrated services digital networks |
||
| 942 |
_cBK _k681.324 STA |
||
| 999 |
_c350364 _d350364 |
||