@misc{indiciae2a3d09fc6e6e,
  title = {The mass function of Seyfert 1 nuclei},
  author = {Padovani, P. and Burg, R. and Edelson, R. A.},
  year = {1990},
  url = {https://ntrs.nasa.gov/citations/19900044357},
  note = {Source identifier: 19900044357}
}