@misc{indiciaef2b51eec062f,
  title = {Binary tree eigen solver in finite element analysis},
  author = {Akl, F. A. and Janetzke, D. C. and Kiraly, L. J.},
  year = {1993},
  url = {https://ntrs.nasa.gov/citations/19930050037},
  note = {Source identifier: 19930050037}
}