@article{7141,
  author = {D. Walls and C. Kunasz and P. Drummond and Peter Zoller},
  title = {Bifurcations and multistability in two-photon processes},
  year = {1981},
  journal = {Physical Review A},
  volume = {24},
  pages = {627-630},
  month = {Jan-07-1981},
  issn = {0556-2791},
  doi = {10.1103/PhysRevA.24.627},
}