References and Notes for Hafnium ( Hf )

CHR88b C. L. Callender, P. A. Hackett, and D. M. Rayner, J. Opt. Soc. Am. B 5, 1341 (1988).
M00 D. C. Morton, Astrophys. J. Suppl. Ser. 130, 403 (2000).
M58 C. E. Moore, Atomic Energy Levels, Natl. Bur. Stand. (U.S.) Circ. 467. Vol. III (1958); reprinted as Natl. Stand. Ref. Data Ser., Natl. Bur. Stand. (U.S.) 35 (1971).
MCS75 W. F. Meggers, C. H. Corliss, and B. F. Scribner, Natl. Bur. Stand. (U.S.), Monogr. 145 (1975).
MM76 W. F. Meggers and C. E. Moore, Natl. Bur. Stand. (U.S.), Monogr. 153 (1976).
MS96 W. C. Martin and J. Sugar, Phys. Rev. A 53, 1911 (1996).
W78 J. F. Wyart, Phys. Scr. 18, 87 (1978).