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020508s1973----gr er 000 0 Eng d |
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|a GR-AtNTU
|b gre
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| 082 |
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|a 371.3358 POL
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| 100 |
1 |
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|a Polcyn, Kenneth A.
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| 245 |
1 |
3 |
|a An educator's guide to communication satellite technology /
|c by Kenneth A. Polcyn
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| 260 |
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|a Washington, D.C:
|b Information Center on Instructional Technology,
|c 1973
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| 300 |
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|c xv, 99 p. ;
|e 26 cm.
|c maps, tables, diagramms +
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| 650 |
1 |
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|a Television in education
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| 650 |
1 |
0 |
|a Artificial satellites in telecommunication
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| 952 |
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|a GR-AtNTU
|b 59cc1b546c5ad13446f79a2d
|c 998a
|d 945l
|e 371.3358 POL
|t 1
|x m
|z Books
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