@misc{indiciae424419813d3d,
  title = {An Improved Green's Function for Ion Beam Transport},
  author = {Tweed, J. and Wilson, J. W. and Tripathi, R. K.},
  year = {2003},
  url = {https://ntrs.nasa.gov/citations/20050061202},
  note = {Source identifier: 20050061202}
}