| 000 | 00378pam a2200157a 44500 | ||
|---|---|---|---|
| 008 | 230515b2002 xxu||||| |||| 00| 0 eng d | ||
| 020 | _aNULL | ||
| 041 | _aENGL | ||
| 082 | _a621.38043/ CAR. | ||
| 100 | _aA.B.CARLSON & D.V. CRILLY. | ||
| 245 | _aCOMMUNICATION SYSTEMS (MCGRAW-HILL) | ||
| 250 | _aN.D. | ||
| 260 |
_aNULL _bMc. G _c2002 |
||
| 300 | _a850 PB | ||
| 650 | _aNULL | ||
| 999 |
_c632713 _d632713 |
||