@misc{indiciae81afcd5e1610,
  title = {Effect of time-dependent flight loads on turbofan engine performance deterioration},
  author = {Lewis, B. L. and Jay, A. and Stakolich, E. G.},
  year = {1981},
  url = {https://ntrs.nasa.gov/citations/19810045689},
  note = {Source identifier: 19810045689}
}