@article{2464,
  author = {J. von Stecher and Jose D'Incao and Chris Greene},
  title = {Signatures of universal four-body phenomena and their relation to the Efimov effect},
  year = {2009},
  journal = {Nature Physics},
  volume = {5},
  pages = {417\textendash421},
  month = {Feb-06-2011},
  issn = {1745-2473},
  doi = {10.1038/nphys1253},
}