• [Wiki] http://en.wikipedia.org/wiki/Deltentosteus_quadrimaculatus.
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• [MetiIlky2011] Metín, G., Ilkyaz, A. T., Soykan, O., and Kinacigil, H. T. (2011). Age, growth and reproduction of four-spotted goby, Deltentosteus quadrimaculatus (Valenciennes, 1837), in Izmir Bay (central Aegean Sea). Turk J. Zool., 35(5):711--716. doi:10.3906/zoo-1001-32.