@misc{indiciaeae59466aeee3,
  title = {Selection effects against small comets},
  author = {Zook, H. A. and Fernandez, J. A. and Gruen, E.},
  year = {1985},
  url = {https://ntrs.nasa.gov/citations/19860057634},
  note = {Source identifier: 19860057634}
}