Wills, B. A. (1997). Mineral processing technology: An introduction to the practical aspects of ore treatment and mineral recovery (6th ed.). Oxford: Butterworth-Heinemann.
Παραπομπή Chicago StyleWills, Barry A. Mineral Processing Technology: An Introduction to the Practical Aspects of Ore Treatment and Mineral Recovery. 6th ed. Oxford: Butterworth-Heinemann, 1997.
Παραπομπή MLAWills, Barry A. Mineral Processing Technology: An Introduction to the Practical Aspects of Ore Treatment and Mineral Recovery. 6th ed. Oxford: Butterworth-Heinemann, 1997.
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