Rare metal extraction

Rare earth elements in ultramafic and mafic rocks and their minerals Lesnov, F. P. Fluctuational superconductivity of magnetic systems Savchenko, M. A. Rare earth elements in ultramafic and mafic rocks and their minerals Lesnov, F. P. Electronic structure of rare - earth metals and alloys Anouk, A. The chemistry of the rare-earth elements Topp, N. E. The chemistry of the lanthanides Moeller, Therald Nuclear magnetic resonance shift reagents Edited by Robert E. Sievers The rare-earth elements and their compounds Yost, Don M.