| 000 | 00353pam a2200157a 44500 | ||
|---|---|---|---|
| 008 | 230515b1988 xxu||||| |||| 00| 0 eng d | ||
| 020 | _aNULL | ||
| 041 | _aENGL | ||
| 082 | _a004.6 /FRE | ||
| 100 | _aFREER J. | ||
| 245 | _aCOMPUTER COMMUNICATION & NETWORKS | ||
| 250 | _aN.D. | ||
| 260 |
_aNULL _bPITMA _c1988 |
||
| 300 | _a432 PB | ||
| 650 | _aNULL | ||
| 999 |
_c619396 _d619396 |
||