| 000 | 00443nam a22001457a 4500 | ||
|---|---|---|---|
| 008 | 150717b xxu||||| |||| 00| 0 eng d | ||
| 020 | _a9780870069611 | ||
| 050 | _aP 90 .J56 1992 | ||
| 100 |
_aJohnson, Charles D _d1992 |
||
| 245 |
_aCommunication Systems. _cCharles D. Johnson |
||
| 260 |
_aUSA _bGoodHeart-Willcox _c1992 |
||
| 300 |
_a478p;ill _bInclude index |
||
| 650 | _aCommunication | ||
| 942 |
_2lcc _cBOOKS _hP 90 .J56 1992 _02 |
||
| 999 |
_c2366 _d2366 |
||