@misc{indiciae85d01ff872e0,
  title = {A slow positron beam generator for lifetime studies},
  author = {Singh, Jag J. and Eftekhari, Abe and St.clair, Terry L.},
  year = {1989},
  url = {https://ntrs.nasa.gov/citations/19890016062},
  note = {Source identifier: 19890016062}
}