@misc{indiciae15cf05357593,
  title = {Rotorcraft airframe structural optimization for combined vibration and fatigue constraints},
  author = {Sareen, Ashish K. and Schrage, Daniel P. and Murthy, T. S.},
  year = {1991},
  url = {https://ntrs.nasa.gov/citations/19920031766},
  note = {Source identifier: 19920031766}
}