| 000 | 00399nam a22001577a 4500 | ||
|---|---|---|---|
| 005 | 20220518143340.0 | ||
| 008 | 100719t xxu||||| |||| 00| 0 eng d | ||
| 020 | _a0070010978 | ||
| 082 |
_a621.398 _bSCH |
||
| 100 | _aSchweber,William L | ||
| 245 | _aData communications | ||
| 260 |
_aNew York _bMcGraw Hill Book Company _c1988 |
||
| 300 | _axi,564p. | ||
| 653 | _adata communications | ||
| 942 | _cBK | ||
| 999 |
_c223774 _d223774 |
||