Authors
Maciej Mickiewicz
Department of Fisheries Bioeconomics, Stanisław Sakowicz Inland Fisheries Institute in Olsztyn, Olsztyn, Poland
Arkadiusz Wołos
Department of Fisheries Bioeconomics, Stanisław Sakowicz Inland Fisheries Institute in Olsztyn, Olsztyn, Poland
Department of Fisheries Bioeconomics, Stanisław Sakowicz Inland Fisheries Institute in Olsztyn, Olsztyn, Poland