@misc{indiciaeac7bb1a2f4fc,
  title = {An improved Green's function for ion beam transport},
  author = {Tweed, J. and Wilson, J. W. and Tripathi, R. K.},
  year = {2004},
  url = {https://ntrs.nasa.gov/citations/20050193756},
  note = {Source identifier: 20050193756}
}