Mervyn, L. (1985). The dictionary of minerals: The complete guide to minerals and mineral therapy. Thorsons Publishers.
Dyfyniad Arddull ChicagoMervyn, Leonard. The Dictionary of Minerals: The Complete Guide to Minerals and Mineral Therapy. New York: Thorsons Publishers, 1985.
Dyfyniad MLAMervyn, Leonard. The Dictionary of Minerals: The Complete Guide to Minerals and Mineral Therapy. Thorsons Publishers, 1985.
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