@misc{indiciae160c5d1b2266,
  title = {A bimodal search strategy for SETI},
  author = {Gulkis, S. and Olsen, E. T. and Tarter, J.},
  year = {1980},
  url = {https://ntrs.nasa.gov/citations/19810041230},
  note = {Source identifier: 19810041230}
}