1. - Passage of sea trout (Salmo trutta L.) smolts through the Vistula River dam at Włocławek -;R. Bartel;Rocz. Nauk. PZW,1989
2. - Passage of fish through the turbines of four hydroelectric facilities on the Słupia River -;R. Bartel;Rocz. Nauk. PZW,1993
3. - Passage of fish through the turbines of hydroelectrical facilities on the łupawa and Reda rivers -;R. Bartel;Rocz. Nauk. PZW,1994
4. - Passage of fish through the turbines of the Kamienna hydroelectric facility on the Drawa River -;R. Bartel;Rocz. Nauk. PZW,1996