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AR-LpUBP |
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090820s1942 ag g 000 0 spa d |
| 040 |
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1 |
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|a Wilkens, Alexander
|9 63662
|
| 245 |
1 |
3 |
|a La aceleración secular de los ejes mayores de las órbitas planetarias
|
| 260 |
|
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|a La Plata :
|b UNLP. Observatorio Astronómico,
|c 1942.
|
| 300 |
|
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|a 186 p. ;
|c 29 cm.
|
| 490 |
0 |
|
|a Publicaciones del Observatorio Astronómico de la Universidad Nacional de La Plata
|
| 490 |
0 |
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|a Serie Astronómica
|v T. 18
|
| 650 |
|
4 |
|a ASTRONOMIA
|9 5689
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| 650 |
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4 |
|a PLANETAS
|9 5774
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| 942 |
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|d FLAVIA LORENA LOPEZ
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