@misc{indiciae1676a0d3268c, title = {Progress in aeroelastic optimization - Analytical versus numerical approaches}, author = {Ashley, H. and Mc Intosh, S. C., Jr. and Weisshaar, T. A.}, year = {1969}, url = {https://ntrs.nasa.gov/citations/19700006440}, note = {Source identifier: 19700006440} }