Lesnov, F. P. <br/><br/>
Rare earth elements in ultramafic and mafic rocks and their minerals :  main types of rocks : rock-forming minerals / 
F. P. Lesnov 
 - Leiden, The Netherlands :  CRC Press,  2010 
 - xxvi, 580 p. :  ill. ;  26 cm. 
<br/><br/>Includes bibliographical references and indexes 
<br/><br/><label>ISBN: </label>9780415578905 0415578906 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Ultrabasic rocks<br/>Rare earth metals