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| LEADER |
00625nam a2200181 a 4500 |
| 001 |
147228 |
| 003 |
AR-LpUBP |
| 005 |
20250704195713.0 |
| 007 |
ta |
| 008 |
111020s1974 ag g 000 0 spa d |
| 040 |
|
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|a AR-LpUBP
|b spa
|c AR-LpUBP
|
| 245 |
1 |
0 |
|a Ensayo para la determinación de porosidad efectiva en el campo con empleo de trazadores radioactivos /
|c Juan J. Lago.
|
| 260 |
|
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|a Buenos Aires,
|c 1974.
|
| 942 |
|
|
|c BK
|
| 952 |
|
|
|0 0
|1 0
|2 udc
|4 0
|6 NF6301
|7 0
|9 213138
|a DUN
|b DUN
|c FG
|d 2023-07-10
|i 443669
|l 0
|o Nf-630-1
|p DUN443669
|r 2023-07-10 21:20:37
|w 2023-07-10
|y BK
|
| 999 |
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|c 147228
|d 147228
|
| 988 |
|
|
|c 34
|d Miguel Kiperszmid
|
| 997 |
|
|
|z a
|