POTVIN, Y.; DIGHT, P.M.
 andÂ
WESSELOO, J.. Some pitfalls and misuses of rock mass classification systems for mine design. J. S. Afr. Inst. Min. Metall. [online].
2012,
vol.112, n.8, pp. 01-06.
ISSN 0038-223X.
|
|
|
|
POTVIN, Y.; DIGHT, P.M.
 andÂ
WESSELOO, J.. Some pitfalls and misuses of rock mass classification systems for mine design. J. S. Afr. Inst. Min. Metall. [online].
2012,
vol.112, n.8, pp. 01-06.
ISSN 0038-223X.
|
|
|
|