@article{832496,
  author = {M Ramsey and F Netzer and Charles Clark and J Matthew},
  title = {Environmentally "controlled collapse" of the 4f orbital in Cs,},
  year = {1991},
  number = {85},
  month = {1991-01-01 00:01:00},
  publisher = {Zeitschrift Fur Physik B-Condensed Matter},
  language = {en},
}