| 000 | 00482cam a22001457a 4500 | ||
|---|---|---|---|
| 008 | 180718b1973 xxu||||| |||| 00| 0 eng d | ||
| 082 | _aW948 P758 | ||
| 100 | _aPoleyn, Kenneth A. | ||
| 245 |
_aAn educator's guide to communication satelite technology _cby Kenneth A. Poleyn |
||
| 260 |
_aWashington _bAcademy for Educational Development _c1973 |
||
| 300 | _a99p. | ||
| 650 | _aTelevision in Education | ||
| 650 | _aMass Media | ||
| 650 | _aArtificial Satellite in Tele-communication | ||
| 999 |
_c477307 _d477307 |
||