UPPER CRETACEOUS RHYOLITIC ASH BEDS FROM THE NOVAYA SIBIR ISLAND (NEW SIBERIAN ISLANDS) Статья Kostyleva V., Shchepetova E., Kotelnikov A. GFF. Taylor and Francis Ltd.. Том 141. 2019. С. 233-240
INTERNATIONAL JOURNAL OF ENGINEERING AND ADVANCED TECHNOLOGY Журнал Blue Eyes Intelligence Engineering and Sciences Publication.
