| 000 | 00332nam a2200121Ia 4500 | ||
|---|---|---|---|
| 008 | 160710s1958 xx 000 0 und d | ||
| 082 | _a621.38 DER | ||
| 100 | _aPERRINE,JAMES OWEN | ||
| 245 | _aPHYSICAL AND MATHMATICS IN ELECTRICAL COMMUNICATION | ||
| 260 |
_bJOHN F. RIDER PUBLISHER,INC. _c1958 |
||
| 300 | _a261 | ||
| 942 |
_2ddc _cB |
||
| 999 |
_c21850 _d21850 |
||