@misc{indiciae1fa876290669,
  title = {Compact extragalactic nonthermal sources.},
  author = {Strittmatter, P. A. and Serkowski, K. and Carswell, R. and Stein, W. A. and Merrill, K. M. and Burbidge, E. M.},
  year = {1972},
  url = {https://ntrs.nasa.gov/citations/19720050853},
  note = {Source identifier: 19720050853}
}