@misc{172936,
  author = {Jean Sansonetti},
  title = {Wavelengths, Transition Probabilities, and Energy Levels for the Spectra of Potassium (K I through K XIX)},
  year = {1970},
  publisher = {J. Phys. & Chem. Ref. Data (JPCRD), National Institute of Standards and Technology, Gaithersburg, MD},
  language = {en},
}