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20171111231050.0 |
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050523s1972 gr r f000 0 eng d |
| 040 |
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|a GR-KoDPT
|b gre
|e AACR2
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| 100 |
1 |
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|a Wallio, Andrew H.
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| 245 |
1 |
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|a A comparison of techniques for inversion of radio-ray phase data in presence of ray bending/
|c by A.H. Andrew Wallio and Mario D. Grossi
|
| 260 |
|
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|a Washington, D.C.:
|b National Aeronautics and Space Administration ,
|c 1972
|
| 300 |
|
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|a 31 σ. :
|b εικ. ;
|c 27 εκ.
|
| 490 |
0 |
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|a NASA technical note
|v NASA TN D-7098
|
| 500 |
|
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|a "Langley Research Center"--σ.τ.
|
| 504 |
|
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|a Βιβλιογραφία: σ. 20-21
|
| 650 |
|
0 |
|a Atmospheric radio refractivity
|x Measurement
|
| 650 |
|
0 |
|a Occupations
|
| 650 |
|
0 |
|a Radio waves
|
| 650 |
|
0 |
|a Refraction
|
| 700 |
1 |
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|a Grossi, Mario D.
|
| 710 |
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|a United States
|b National Aeronautics and Space Administration
|
| 710 |
0 |
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|a United States.
|b National Aeronautics and Space Administration
|
| 710 |
2 |
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|a Langley Research Center
|
| 952 |
|
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|a GR-KoDPT
|b 59cc21fc6c5ad13446f8bc1f
|c 998a
|d 945l
|e TL 521 .3
|t 1
|x m
|z Books
|
