| 
|  | Ref. ID |  |  |  | Reference |  | 
|---|
 |  |  
|  |  |  |  |  |  |  |  | M00 | D. C. Morton, Astrophys. J. Suppl. Ser. 130, 403 (2000). |  |  |  |  | MCS75 | W. F. Meggers, C. H. Corliss, and B. F. Scribner, Natl. Bur. Stand. (U.S.), Monogr. 145 (1975). |  |  |  |  | MOW98 | M. Miyabe, M. Oba, and I. Wakaida, J. Phys. B 31, 4559 (1998). |  |  |  |  | MZH78 | W. C. Martin, R. Zalubas, and L. Hagan, Atomic Energy Levels - The Rare Earth Elements, Natl. Stand. Ref. Data Ser., Natl. Bur. Stand. (U.S.) 60 (1978). |  |  |  |  | SR73 | J. Sugar and J. Reader, J. Chem. Phys. 59, 2083 (1973). |  |  |  |  |