International Symposium on Underground Mining Methods and Technology Nottingham, E., Szwilski, A., & Richards, M. J. (1987). Underground Mining Methods and Technology: Proceedings of the International Symposium on Underground Mining Methods and Technology, Nottingham, England, september 8-13, 1986. Amsterdam: Elsevier.
Citación estilo ChicagoInternational Symposium on Underground Mining Methods and Technology Nottingham, England), A.B Szwilski, y M. J. Richards. Underground Mining Methods and Technology: Proceedings of the International Symposium On Underground Mining Methods and Technology, Nottingham, England, September 8-13, 1986. Amsterdam: Elsevier, 1987.
Cita MLAInternational Symposium on Underground Mining Methods and Technology Nottingham, England), A.B Szwilski, y M. J. Richards. Underground Mining Methods and Technology: Proceedings of the International Symposium On Underground Mining Methods and Technology, Nottingham, England, September 8-13, 1986. Amsterdam: Elsevier, 1987.