@misc{indiciaee8822186e151,
  title = {Optimization of continuous one-dimensional structures under steady harmonic excitation},
  author = {Johnson, E. H. and Segenreich, S. A. and Ashley, H. and Rizzi, P.},
  year = {1976},
  url = {https://ntrs.nasa.gov/citations/19760087385},
  note = {Source identifier: 19760087385}
}