| 000 | 003590000a22001450004500 | ||
|---|---|---|---|
| 008 | 150720t1984 xxu||||| |||| 00| 0 eng d | ||
| 041 | _aeng | ||
| 080 |
_a621.39 _bC3 |
||
| 942 | _cBK | ||
| 100 | _aCannon, D.L. | ||
| 100 | _aLuecke, G. | ||
| 245 | _aUnderstanding communications systems | ||
| 250 | _a2d ed. | ||
| 260 |
_aIndianapolis _bHoward W. Sams _c1984 |
||
| 999 |
_c119918 _d119918 |
||