Sergey Ivanovich Arbuzov, Sergey Sergeevich Iljenok (Il'enok), Valery Semenovich Mashenkin, Maksim Gennadievich Sun Yuzhuang, Maksim Gennadievich Zhao Cunliang, Maksim Gennadievich Blokhin, Vladimir Viktorovich Ivanov, Natalya Vladimirovna Zarubina
Rare earth elements in the late Paleozoic coals of North Asia (Siberia, northern China, Mongolia, Kazakhstan)