Expertise sur le creusement des galeries au rocher. Technique minière, Recueils de recherches charbon, recueil No. 31, 1970 = Assessment of tunneling in rock. Mining technology, Coal Research Collection, Volume No. 31, 1970
| Data(s) |
1970
|
|---|---|
| Formato |
application/pdf |
| Identificador |
http://aei.pitt.edu/48300/1/A7991.pdf UNSPECIFIED (1970) Expertise sur le creusement des galeries au rocher. Technique minière, Recueils de recherches charbon, recueil No. 31, 1970 = Assessment of tunneling in rock. Mining technology, Coal Research Collection, Volume No. 31, 1970. [EU Commission - Working Document] |
| Relação |
http://aei.pitt.edu/48300/ |
| Tipo |
EU Commission - Working Document NonPeerReviewed |
