@misc{indiciaee6caa4be40a3,
  title = {Time-dependent inhomogeneous jet models for BL Lac objects},
  author = {Marlowe, A. T. and Urry, C. M. and George, I. M.},
  year = {1992},
  url = {https://ntrs.nasa.gov/citations/19930045872},
  note = {Source identifier: 19930045872}
}