| 000 | 00532nam a22001697a 4500 | ||
|---|---|---|---|
| 999 |
_c6204 _d6204 |
||
| 020 | _a971-8613-69-2 | ||
| 020 | _a0-672-30005-2 | ||
| 082 | _a005.71 H474 1991 | ||
| 100 | 1 |
_aHeld, Gilbert _914456 |
|
| 245 | 1 |
_aUnderstanding data communications / _cGilbert Held. |
|
| 250 | _a3rd ed. | ||
| 260 |
_aManila : _bSAMS, _cc1991. |
||
| 300 |
_aix, 368 p. : _bfigs. and tables ; 22 cm. |
||
| 500 | _aIncludes bibliographical references, glossary and index. | ||
| 650 | 1 | 4 |
_aData communications _xData in computer systems _914457 |
| 942 | _cBK | ||