Singhal, R. K. (1998). Mine planning and equipment selection 1998: Proceedings of the seventh International Symposium on Mine Planning and Equipment Selection, Calgary, Canada, 6-9 October 1998. Rotterdam: A. A. Balkema.
Παραπομπή Chicago StyleSinghal, Rai K. Mine Planning and Equipment Selection 1998: Proceedings of the Seventh International Symposium On Mine Planning and Equipment Selection, Calgary, Canada, 6-9 October 1998. Rotterdam: A. A. Balkema, 1998.
Παραπομπή MLASinghal, Rai K. Mine Planning and Equipment Selection 1998: Proceedings of the Seventh International Symposium On Mine Planning and Equipment Selection, Calgary, Canada, 6-9 October 1998. Rotterdam: A. A. Balkema, 1998.
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