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Tunnels are not boring !
<b>They spend a big part of their working hours a hundred metres underground. And they love it - that's the way 'the moles' work.</b>
| Lenguaje: | eng fre |
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| Publicado: |
2002
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| Materias: | |
| Acceso en línea: | http://cds.cern.ch/record/46142 |