| 000 | 00359pam a2200157a 44500 | ||
|---|---|---|---|
| 008 | 230515b1987 xxu||||| |||| 00| 0 eng d | ||
| 020 | _aNULL | ||
| 041 | _aENGL | ||
| 082 | _a621.380413/ PEE. | ||
| 100 | _aPEEBLES P.Z. | ||
| 245 | _aDIGITAL COMMUNICATION SYSTEMS | ||
| 250 | _aN.D. | ||
| 260 |
_aNULL _bPRENT _c1987 |
||
| 300 | _a432 HB | ||
| 650 | _aNULL | ||
| 999 |
_c618322 _d618322 |
||