@misc{indiciaeaa3c7223da4f,
  title = {Radioisotope Positron Propulsion},
  author = {Weed, Ryan W. and Machacek, Joshua and Ramamurthy, Balachandar},
  year = {2019},
  url = {https://ntrs.nasa.gov/citations/20190018063},
  note = {Source identifier: 20190018063}
}