TY - GEN AU - Moore, Charlotte E C2 - , National Institute of Standards and Technology, Gaithersburg, MD DA - 1971-01-01 05:01:00 DO - https://doi.org/10.6028/NBS.NSRDS.35v1 LA - en PB - , National Institute of Standards and Technology, Gaithersburg, MD PY - 1971 TI - Atomic energy levels as derived from the analyses of optical spectra ::volume I. 1H to 23V ER -