@misc{indiciae3c2836a2e546,
  title = {Nonlinear combustion instability in liquid- propellant rocket engines},
  author = {Powell, E. A. and Zinn, B. T.},
  year = {1971},
  url = {https://ntrs.nasa.gov/citations/19710057396},
  note = {Source identifier: 19710057396}
}