1. 1.3 References for 1;Landolt-Börnstein - Group III Condensed Matter
2. Tb;Landolt-Börnstein - Group III Condensed Matter
3. Ta;Landolt-Börnstein - Group III Condensed Matter
4. Nb;Landolt-Börnstein - Group III Condensed Matter
5. Fe;Landolt-Börnstein - Group III Condensed Matter