Pryor, E. J. (1960). Mineral processing (2nd ed., revised and enlarged.). London: Mining Publications.
Παραπομπή Chicago StylePryor, E. J. Mineral Processing. 2nd ed., revised and enlarged. London: Mining Publications, 1960.
Παραπομπή MLAPryor, E. J. Mineral Processing. 2nd ed., revised and enlarged. London: Mining Publications, 1960.
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