TY - GEN AU - Jean Sansonetti C2 - J. Phys. & Chem. Ref. Data (JPCRD), National Institute of Standards and Technology, Gaithersburg, MD DA - 2018-11-14 14:11:29 LA - en PB - J. Phys. & Chem. Ref. Data (JPCRD), National Institute of Standards and Technology, Gaithersburg, MD PY - 2018 TI - Spectroscopic Data for Neutral Francium (Fr I) ER -