P. Gębica, S. Superson, K. Trybała-Zawiślak, and B. Woronko, “Lithology, origin and age of sediments in the Kalników and Chotyniec in the Tarnogród Plateau (Sandomierz Basin): https://doi.org/10.26485/AGL/2017/106/6”, AGL, vol. 106, pp. 65–86, Dec. 2018.