NIST Physical Measurement Laboratory Handbook of Basic Atomic Spectroscopic Data

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References and Notes for Actinium ( Ac )

  Ref. ID   Reference 
BW92b  J. Blaise and J.-F. Wyart, Energy Levels and Atomic Spectra of Actinides, International Tables of Selected Constants 20, Paris (1992). Also available
MFT57  W. F. Meggers, M. Fred, F. S. Tomkins, J. Res. Natl. Bur. Stand. (U.S.) 58, 297 (1957). The data pertain to the 227Ac isotope. The designations for several of the odd-parity levels of Ac II are taken from [BW92b].
MHRS74 W. C. Martin, L. Hagan, J. Reader, and J. Sugar, J. Phys. Chem. Ref. Data 3, 771 (1974). 
S74    J. Sugar, J. Chem. Phys. 60, 4103 (1974).