Adamski Z., Chudzińska E., Konwerski S., Krzesłowska M., Wiland-Szymańska J. 2017. Zonguldak nature — impressions from the visit of the scientists from the A. Mickiewicz University in Poznan, Poland. in: Zonguldak Ekosistemi. Ed. Büyükgüzel K., Kaplan A., Alan Ş. Bülent Ecevit Üniversitesi, Zonguldak. pp.: 345-50.

Adamski Z., Chudzińska E., Konwerski S., Krzesłowska M., Wiland-Szymańska J. 2017. Zonguldak nature — impressions from the visit of the scientists from the A. Mickiewicz University in Poznan, Poland. in: Zonguldak Ekosistemi. Ed. Büyükgüzel K., Kaplan A., Alan Ş. Bülent Ecevit Üniversitesi, Zonguldak. pp.: 345-50.