@misc{indiciaea1d10d464ee1,
  title = {Central activity in 60 micron peakers},
  author = {Heisler, Charlene A. and Vader, J. P. and Frogel, Jay A.},
  year = {1990},
  url = {https://ntrs.nasa.gov/citations/19910007600},
  note = {Source identifier: 19910007600}
}