Annual development of gonads of pumpkinseed, Lepomis gibbosus (Actinopterygii: Perciformes: Centrarchidae) from a heated-water discharge canal of a power plant in the lower stretch of the Oder River, Poland /
Józef Domagała, Lucyna Kirczuk, Katarzyna Dziewulska, Małgorzata Pilecka-Rapacz.