@article{10622,
  author = {M. Crees and M. Seaton and P. Wilson},
  title = {Impact, a program for the solution of the coupled integro-differential equations of electron-atom collision theory},
  year = {1978},
  journal = {Computer Physics Communications},
  volume = {15},
  pages = {23-83},
  month = {Jan-09-1978},
  issn = {00104655},
  url = {http://linkinghub.elsevier.com/retrieve/pii/0010465578900826},
  doi = {10.1016/0010-4655(78)90082-6},
}