@article{DeVane2004a,
  title = {Tractable theory of nonlinear response and multidimensional nonlinear spectroscopy},
  author = {DeVane, Russell and Ridley, Christina and Space, Brian and Keyes, T.},
  journal = {Phys. Rev. E},
  volume = {70},
  issue = {5},
  pages = {050101},
  numpages = {4},
  year = {2004},
  month = {Nov},
  publisher = {American Physical Society},
  doi = {10.1103/PhysRevE.70.050101},
  url = {http://link.aps.org/doi/10.1103/PhysRevE.70.050101}
}