Literatur:
Zalewska, Z.: Tertiary remains of fossil wood from Turów on the Lusatian Neisse I. Acta geol. Polon. 3, 481–543 (in Polish) (1953).
Zalewska, Z., 1955. Tertiary remains of fossil wood from Turow on the Lusatian Neisse, Part 3: Acta Geol. Polonica, Paleont. pt., v. 5, no. 4, 517-537 /english summary).