@misc{indiciae6950e6a5ad2e,
  title = {PKS 1830-211: A Possible Compound Gravitational Lens},
  author = {Lovell, J. E. J. and Reynolds, J. E. and Jauncey, D. L. and Backus, P. R. and McCullock, P. M. and Sinclair, M. W. and Wilson, W. E. and Tzioumis, A. K. and Gough, R. G. and Ellingsen, S. P. and Phillips, C. J. and Preston, R. A. and Jones, D. L.},
  year = {1996},
  url = {https://ntrs.nasa.gov/citations/20060036331},
  note = {Source identifier: 20060036331}
}