@misc{indiciaeda390084492c,
  title = {Low velocity impact analysis with NASTRAN},
  author = {Trowbridge, Daniel A. and Grady, Joseph E. and Aiello, Robert A.},
  year = {1990},
  url = {https://ntrs.nasa.gov/citations/19910005113},
  note = {Source identifier: 19910005113}
}