| 000 | 00401nam a2200133Ia 4500 | ||
|---|---|---|---|
| 999 |
_c20899 _d20899 |
||
| 008 | 190711s9999 xx 000 0 und d | ||
| 020 | _a0884104281 | ||
| 082 | _a621.38415 S617 | ||
| 100 | _aSingleton, Loy, A. | ||
| 245 | 0 | _aTelecommunications in the Information Age: A Nontechnical Primer on the New Technologies | |
| 260 |
_aCambridge _bBallinger Publishing _c1983 |
||
| 300 | _a24X16 | ||
| 942 | _cBK | ||