| 000 | 00499 a2200169 4500 | ||
|---|---|---|---|
| 020 | _a007007062 | ||
| 082 |
_a621.385 _bBUP |
||
| 100 |
_aBush, Stanley E. _999850 |
||
| 245 |
_aPrivate Branch Exchange Systems and Applications _cStanley E. Bush and Charles R. Parsons |
||
| 260 |
_aNew York: _bMcGraw Hill, _c1993. |
||
| 300 | _ax, 192p. | ||
| 500 | _aHB | ||
| 546 | _aEng | ||
| 650 |
_aTelephone-Private branch exchanges _999851 |
||
| 700 |
_aCharles, Parsons R. (jt. auth.) _999852 |
||
| 942 | _cBK | ||
| 999 |
_c57416 _d57416 |
||