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Dyfyniad Arddull ChicagoRiegel, Emil Raymond, and James A. Kent. Riegel's Handbook of Industrial Chemistry. 8th ed. New York: Van Nostrand Reinhold Co., 1983.
Dyfyniad MLARiegel, Emil Raymond, and James A. Kent. Riegel's Handbook of Industrial Chemistry. 8th ed. Van Nostrand Reinhold Co., 1983.
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