Ökologische Wassergüte-Untersuchungen in Stauhaltungen des UntermainsWilli ZieglerVypredaná4,3Postrážiť
Papers on conodonts and ordovician to triassic conodont stratigraphyWilli ZieglerVypredaná4,3Postrážiť
Conodont biochronology, biofacies, taxonomy, and event stratigraphy around Middle Frasnian Lion Mudmound (F2h), Frasnes, BelgiumWilli ZieglerVypredaná4,3Postrážiť