@misc{indiciae4773ce1158e1,
  title = {Perform - A performance optimizing computer program for dynamic systems subject to transient loadings},
  author = {Pilkey, W. D. and Wang, B. P. and Yoo, Y. and Clark, B.},
  year = {1973},
  url = {https://ntrs.nasa.gov/citations/19730019051},
  note = {Source identifier: 19730019051}
}