@misc{indiciae3bce8a234c71,
  title = {The Search for Extraterrestrial Intelligence (SETI)},
  author = {Morrison, Philip and Billingham, John and Wolfe, John},
  year = {1977},
  url = {https://ntrs.nasa.gov/citations/19780010828},
  note = {Source identifier: 19780010828}
}