%0 Journal Article %T Rare earth elements in rocks and minerals from alkaline plutons of the Kola Peninsula, NW Russia, as indicators of alkaline magma evolution %A , .. %A , .. %A , .. %A , .. %K rare-earth elements, alkaline plutons, alkaline magma evolution, Kola Peninsula. %J Russian Journal of Earth Sciences %D 2002 %N 4 %P 22 %I Геофизический центр Российской Академии Наук