@misc{indiciae69b4e9fbdbab,
  title = {Efficient optimization of integrated aerodynamic-structural design},
  author = {Haftka, R. T. and Grossman, B. and Eppard, W. M. and Kao, P. J. and Polen, D. M.},
  year = {1989},
  url = {https://ntrs.nasa.gov/citations/19890047198},
  note = {Source identifier: 19890047198}
}