| 000 | 00515nam a2200193#a 4500 | ||
|---|---|---|---|
| 001 | 0000000042 | ||
| 002 | 000000042 | ||
| 003 | BHEUU | ||
| 008 | 230711s1987 xx 000 0 eng d | ||
| 020 | _a085825456x | ||
| 040 | _aBHEUU | ||
| 090 | 0 | 0 |
_a384.3 _bCOM |
| 245 | 0 |
_aCommunications / _cThe editors of Time-Life Books |
|
| 260 |
_aVirginia _bTime-Life Books _c1987 |
||
| 300 |
_a128p. _bill. _c28cm |
||
| 650 | 1 | 0 | _aComputer network - popular works |
| 650 | 2 | 0 | _aData transmission systems - popular works |
| 942 | _cBOK | ||
| 999 |
_c16 _d16 |
||