Vishnevskaya, V., Bogdanov, N., & Bondarenko, G. (1999). MIDDLE JURASSIC TO EARLY CRETACEOUS RADIOLARIA FROM THE OMGON RANGE, WESTERN KAMCHATKA. Ofioliti, 24(1a), 31-42. https://doi.org/10.4454/ofioliti.v24i1a.9