@misc{indiciaedb59cad311df,
  title = {The relationship between low activity comets and more active comets},
  author = {Cochran, A. L. and Green, J. R. and Barker, E. S.},
  year = {1987},
  url = {https://ntrs.nasa.gov/citations/19880012520},
  note = {Source identifier: 19880012520}
}