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Juliana M. Harding, Albert J. Burky, Carl M. Way, Habitat Preferences of the Rainbow Darter, Etheostoma caeruleum, with Regard to Microhabitat Velocity Shelters, Copeia, Vol. 1998, No. 4 (Dec. 30, 1998), pp. 988-997
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Harding et al. (1998) studied this question.
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