Długosz M., Demska-Zakęś K., 1989. Sex differentiation in whitefish (Coregonus lavaretus L.). Acta Ichthyol. Piscat. 19 (1): 21-32.
Studies were carried out on gonad differentiation in whitefish (Coregonus lavaretus L.) reared in aquaria in conditions resembling the natural ones and fed ad libitum with alive zooplankton.