Bown, 1987
From dinoflaj2
Bown, P.R., 1987: Taxonomy, evolution and biostratigraphy of Late Triassic-Early Jurassic calcareous nannofossils. Special Papers in Palaeontology, no.38, 118 p.
Bown, P.R., 1987: Taxonomy, evolution and biostratigraphy of Late Triassic-Early Jurassic calcareous nannofossils. Special Papers in Palaeontology, no.38, 118 p.
