00642naa#a2200193#i#450# EN\\bibl\47059 20240504160901.6 1681-1208 20020625b2002####ek#y0engy0150####ca RU Rare earth elements in rocks and minerals from alkaline plutons of the Kola Peninsula, NW Russia, as indicators of alkaline magma evolution Journal article Moscow Geophysical Center of the Russian Academy of Sciences 2002 22 с. Journal article local Arzamastsev A A Arzamastseva L V Bea F Montero P rjes.ru