1. Scandium, Yttrium and the Lanthanides;Hart,1987
2. Chapter 11. Sc, Y, the lanthanides and the actinides
3. Chapter 12. Sc, Y, the lanthanides and the actinides
4. Chapter 12. Sc, Y, the lanthanoids and the actinoids
5. Chapter 12. Sc, Y, the lanthanoids, and the actinoids