@misc{indiciae7ba69c457c2e,
  title = {Estimation on nonlinear damping in second order distributed parameter systems},
  author = {Banks, H. T. and Reich, Simeon and Rosen, I. G.},
  year = {1989},
  url = {https://ntrs.nasa.gov/citations/19900002178},
  note = {Source identifier: 19900002178}
}