Singhal, R. K. (1995). Mine planning and equipment selection 1995: Proceedings of the fourth international symposium on mine planning and equipment selection, Calgary, Canada, 31 October, 3 November 1995. Rotterdam: A. A. Balkema.
Παραπομπή Chicago StyleSinghal, Rai K. Mine Planning and Equipment Selection 1995: Proceedings of the Fourth International Symposium On Mine Planning and Equipment Selection, Calgary, Canada, 31 October, 3 November 1995. Rotterdam: A. A. Balkema, 1995.
Παραπομπή MLASinghal, Rai K. Mine Planning and Equipment Selection 1995: Proceedings of the Fourth International Symposium On Mine Planning and Equipment Selection, Calgary, Canada, 31 October, 3 November 1995. Rotterdam: A. A. Balkema, 1995.
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