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| LEADER |
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| 001 |
AR-BbUGT1910 |
| 003 |
AR-BbUGT |
| 005 |
20181220001610.0 |
| 007 |
ta |
| 008 |
061101t1960 |||abd |0|||0| d |
| 040 |
|
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|a AR-BbUGT
|b spa
|c AR-BbUGT
|
| 082 |
0 |
4 |
|a 550
|
| 100 |
1 |
|
|a Hurley, Patrick.
|
| 245 |
1 |
0 |
|a Qué edad tiene la tierra? /
|c Patrick Hurley.
|
| 260 |
|
|
|a Buenos Aires :
|b Eudeba,
|c 1960.
|
| 300 |
|
|
|a 158 p. :
|b il., gráficos, mapas, tablas
|
| 490 |
1 |
|
|a Ciencia joven;
|v no. 20
|
| 653 |
|
|
|a Geología
|
| 653 |
|
|
|a Estructura de la tierra
|
| 653 |
|
|
|a Radiactividad
|
| 653 |
|
|
|a Tiempo geológico absoluto
|
| 830 |
|
0 |
|a Ciencia joven;
|v no. 20
|
| 942 |
|
|
|c BK
|h 550
|i H939
|m D
|2 ddc
|6 550_000000000000000_H939
|
| 999 |
|
|
|c 9612
|d 9612
|
