Wetzel, 1961
From dinoflaj2
Wetzel, O., 1961: New microfossils from Baltic Cretaceous flintstones. Micropaleontology, v.7, no.3, p.337-350, pl.1-3.
Wetzel, O., 1961: New microfossils from Baltic Cretaceous flintstones. Micropaleontology, v.7, no.3, p.337-350, pl.1-3.
