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00807nam a22001931a 4500 |
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UNA01000041320 |
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20120328190714.0 |
| 008 |
080728s1983 000 0 eng d |
| 040 |
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|a Sistema de Bibliotecas de la Universidad Nacional de Costa Rica
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| 082 |
0 |
4 |
|a 553.79
|b S471p
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| 100 |
1 |
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|a Seminar on Groundwater Protection Strategies and Practices ( 1983 : oct. 10-14 : Athens)
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| 245 |
1 |
0 |
|a Proceedings /
|c Economic Commission for Europe committee on Water Problems
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| 260 |
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|a Athens, Greece :
|b Greek Ministry of Energy and Natural Resources Water and Natural Resources Directorate ,
|c 1983
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| 300 |
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|a xxxii, 500 páginas :
|b ilustraciones, maps ;
|c 24 cm.
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| 650 |
0 |
4 |
|a AGUA
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| 650 |
0 |
4 |
|a CONSERVACION DE AGUAS
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| 650 |
0 |
4 |
|a PROTECCION AMBIENTAL
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| 650 |
0 |
4 |
|a AGUAS SUBTERRANEAS
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| 650 |
0 |
4 |
|a CONSERVACION DE AGUAS
|