@misc{indiciae9987874477d2,
  title = {Setting limits on q0 from gravitational lensing},
  author = {Gott, J. Richard, III and Park, Myeong-Gu and Lee, Hyung Mok},
  year = {1989},
  url = {https://ntrs.nasa.gov/citations/19890039630},
  note = {Source identifier: 19890039630}
}