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150707s1966 pn ||||| |||| 00| 0 spa d |
| 040 |
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|a Sistema de Bibliotecas de la Universidad de Panamá
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| 082 |
0 |
4 |
|a 624.177
|b Er7
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| 100 |
1 |
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|9 178922
|a Erroz Arizaga, Miguel Angel
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| 245 |
1 |
0 |
|a Estudio comparativo de los costos de losas nervadas en una y dos direcciones, con rellenos permanentes
|c / por Miguel Angel Erroz, Jorge A. La Vera Ponce
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| 260 |
|
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|a Panamá :
|b Universidad,
|c 1966.
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| 300 |
|
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|a iv, 99 p. ;
|c 28 cm.
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| 650 |
|
7 |
|2 LEMB
|9 179243
|a LOSAS DE HORMIGON
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| 700 |
1 |
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|9 178923
|a La Vera Ponce, Jorge A.
|e autor
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| 942 |
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|c TS
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