@misc{indiciae993e0c0c02b1,
  title = {Structural optimization by generalized, multilevel optimization},
  author = {Sobieszczanski-Sobieski, J. and James, B. B. and Riley, M. F.},
  year = {1985},
  url = {https://ntrs.nasa.gov/citations/19850048115},
  note = {Source identifier: 19850048115}
}