@misc{indiciaed740742038c4,
  title = {Variable-Frequency QPOs from the Galactic Microquasar GRS 1915+105},
  author = {Markwardt, Craig B. and Swank, Jean H. and Taam, Ronald E.},
  year = {1998},
  url = {https://ntrs.nasa.gov/citations/19990024869},
  note = {Source identifier: 19990024869}
}