Samarin, A.M., Blecha, M., Bytyutskyy, D.,  & Policar, T. (2015). Post-Ovulatory Oocyte Ageing in Pikeperch (<em>Sander lucioperca</em> L.) and its Effect on Egg Viability Rates and the Occurrence of Larval Malformations and Ploidy Anomalies. <i>Turkish Journal of Fisheries and Aquatic Sciences</i>, <i>15</i>,  429-435. http://doi.org/10.4194/1303-2712-v15_2_29