Rare earth element geochemistry of the Fen alkaline complex, Norway[J] . Roger H. Mitchell,Arild O. Brunfelt.Contributions to Mineralogy and Petrology . 1975 (4)
Rare earth element geochemistry of the Fen alkaline complex, Norway[J] . Roger H. Mitchell,Arild O. Brunfelt.Contributions to Mineralogy and Petrology . 1975 (4)