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Francis G. Doherty, Donald S. Cherry, John Cairns, Jr., Spawning Periodicity of the Asiatic Clam Corbicula fluminea in the New River, Virginia, The American Midland Naturalist, Vol. 117, No. 1 (Jan., 1987), pp. 71-82
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Doherty et al. (1987) studied this question.
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