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AR-LpUBP |
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20231114190613.0 |
| 007 |
ta |
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090820s1949 ag g 000 0 spa d |
| 040 |
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|a AR-LpUBP
|b spa
|c AR-LpUBP
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| 100 |
1 |
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|a Wilkens, Alexander
|9 63662
|
| 245 |
1 |
0 |
|a Teoría sobre la acumulación de los perihelios y nodos de los asteroides
|
| 260 |
|
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|a La Plata :
|b Observatorio Astronómico,
|c 1949.
|
| 300 |
|
|
|a 107 p. ;
|c 18 cm.
|
| 490 |
0 |
|
|a Astronómica ;
|v T. 25 n.1
|
| 942 |
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|c BK
|
| 952 |
|
|
|0 0
|1 0
|2 udc
|4 0
|6 FB16216
|7 0
|8 GRAL
|9 230665
|a DUN
|b DUN
|c FG
|d 2023-07-10
|i 010088/948
|l 0
|o Fb-1621-6
|p DUN010088x948
|r 2023-07-10 21:25:57
|w 2023-07-10
|y BK
|
| 999 |
|
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|c 158076
|d 158076
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| 988 |
|
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|d CLI CLI
|
