Kochman, Alicja. “Geochemical Signatures of Chert Concretions and Bedded Cherts from the Kraków-Częstochowa Upland (Poland), the Southeastern Franconian Alb, and the Bayerwald (Germany)”. Acta Geologica Polonica, vol. 76, no. 2, June 2026, p. e75, doi:10.24425/agp.2026.158189.