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2. Bagge, P., 1986. Phenology and bathygraphic occurrence of water mites ( Acari, Hydrachnellae) in some brown and clear water lakes of southeastern Finland. Mem. Soc. Fauna Flora fenn. 62: 17–25.
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5. Dimock, R. & C. Davids, 1985. Spectral sensitivity and photo behavior of the water mite genus Unionicola. J. exp. Biol. 119: 349–363.