Kashfiyot
Xizmatlar
Identifikatsiya
Ishlab chiquvchilar uchun
Ekotizim
2 ta ish
Institute of Precambrian Geology and Geochronology
Dmitry L. Konopelko, Georgy Biske, Reimar Seltmann +2
U. Kempe, B. V. Belyatsky, R. Sh. Krymsky +2