00606naa#a2200205#i#450# EN\\bibl\47125 20240507225054.2 1681-1208 19991225b1999####ek#y0engy0150####ca RU Chalcophile metals in the formation processes of magma and the Earth core Journal article Moscow Geophysical Center of the Russian Academy of Sciences 1999 10 с. Journal article local Ryabchikov I D Orlova G P Babanskiy A D Magazina L O Tsepin A I rjes.ru