Shafts and raises in rock masses
Auld, A
Shafts and raises in rock masses
bibliogr. p. 506-508
0750610638
Mécanique roche
Tunel
Perforation
Forage à chute libre
Forage au diamant
Shafts and raises in rock masses
bibliogr. p. 506-508
0750610638
Mécanique roche
Tunel
Perforation
Forage à chute libre
Forage au diamant