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S. J. Haneef, C. Dickinson, J. B. Johnson, G. E. Thompson, G. C. Wood, Simulation of the Degradation of Coupled Stones by Artificial Acid Rain, Studies in Conservation, Vol. 37, No. 2 (May, 1992), pp. 105-112
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Haneef et al. (1992) studied this question.
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