@misc{indiciae0a0d735a583e,
  title = {An efficient multilevel optimization method for engineering design},
  author = {Vanderplaats, G. N. and Yang, Y. J. and Kim, D. S.},
  year = {1988},
  url = {https://ntrs.nasa.gov/citations/19880044963},
  note = {Source identifier: 19880044963}
}