@article{7092,
  author = {D. Gross and G. Schmid and J. Taksar},
  title = {Spurious excitations in semiclassical scattering theory},
  year = {1980},
  journal = {American Journal of Physics},
  volume = {48},
  pages = {402},
  month = {Jan-01-1980},
  issn = {00029505},
  url = {http://link.aip.org/link/?AJP/48/402/1\&Agg=doi},
  doi = {10.1119/1.12114},
}