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, [S. l.], v. 76, n. 2, p. e75, 2026. DOI: 10.24425/agp.2026.158189. Disponível em: https://wydawnictwo.pan.pl/index.php/agp/article/view/1210. Acesso em: 30 aug. 2026.