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20171111231157.0 |
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080620s1972 gr r 000 0 eng d |
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|a GR-KoDPT
|b gre
|e AACR2
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|a Schmid, P. E.
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|a Surface-refractivity measurements at NASA spacecraft tracking sites/
|c by P.E. Schmid
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| 260 |
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|a Washington:
|b National Aeronautics and Space Administration,
|c 1972
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| 300 |
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|a iii, 48 σ. :
|b εικ. ;
|c 27 εκ.
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| 490 |
0 |
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|a NASA technical note
|v 6822
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| 504 |
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|a Βιβλιογραφία: σ. 10-11
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| 650 |
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0 |
|a Space vehicles
|x Tracking
|x Refraction
|x Measurement
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| 650 |
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0 |
|a Troposphere
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| 710 |
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|a United States
|b National Aeronautics and Space Administration
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| 710 |
0 |
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|a United States.
|b National Aeronautics and Space Administration
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| 710 |
2 |
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|a Goddard Space Flight Center
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| 952 |
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|a GR-KoDPT
|b 59cc2d996c5ad13446fa811a
|c 998a
|d 945l
|e TL 521 .3
|t 1
|x m
|z Books
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