Title: Biostratigrafii︠a︡ i ammonoidei nizhnego triasa I︠U︡zhnogo Primorʹi︠a︡.
Authors: Zakharov, I︠U︡. D.
Publisher: "Nauka,"
Year: 1968
Subjects: Ammonoidea.; Paleontology; Paleontology Russia (Federation) Primorskiĭ kraĭ.