Economic and technical results mining a 4 m thick coal seam in Spanish Carbonar colliery
- Álvarez, J.T.
- Rodríguez, R.
- Rivas, J.M.
- Casal, M.D.
ISSN: 0340-7896
Year of publication: 2003
Volume: 139
Issue: 6
Pages: 323-328
Type: Review
ISSN: 0340-7896
Year of publication: 2003
Volume: 139
Issue: 6
Pages: 323-328
Type: Review