@article{172311,
  author = {Wayne Itano},
  title = {Quadrupole Moments and Hyperfine Constants of Metastable States of Ca<sup>+</sup>, Sr<sup>+</sup>, Ba<sup>+</sup>, Yb<sup>+</sup>, Hg<sup>+</sup>, and Au},
  year = {2006},
  number = {73},
  month = {2006-02-01},
  publisher = {Physical Review A (Atomic, Molecular and Optical Physics)},
  language = {en},
}