J.-C. G. Bunzli & Vitalij K. Pecharsky 
Handbook on the Physics and Chemistry of Rare Earths [EPUB ebook] 

This continuing authoritative series deals with the chemistry, materials science, physics and technology of the rare earth elements in an integrated manner. Each chapter is a comprehensive, up-to-date, critical review of a particular segment of the field. The work offers the researcher and graduate student a complete and thorough coverage of this fascinating field. – Authoritative- Comprehensive- Up-to-date- Critical