TY - BOOK AU - Lesnov, F.P. TI - Rare earth elements in ultramafic and mafic rocks and their minerals: main types of rocks, rock-forming minerals SN - 9780415578905 U1 - 552.1 PY - 2010/// CY - Boca Raton PB - Crc Press KW - Rocks, Ultrabasic ER -