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| 041 | _aeng | ||
| 082 | _a621.380423 | ||
| 100 | _aSPILKER, JAMES J. | ||
| 245 | 0 | _aDIGITAL COMMUNICATIONS BY SATELLITE | |
| 250 | _aS.E. | ||
| 260 | _aENGLEWOOD | ||
| 260 |
_aEstados Unidos _bPRENTICE HALL _c1977 |
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| 300 | _a672 | ||
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