@misc{indiciae9c651c97cc7b,
  title = {A Novel Four-Node Quadrilateral Smoothing Element for Stress Enhancement and Error Estimation},
  author = {Tessler, A. and Riggs, H. R. and Dambach, M.},
  year = {1998},
  url = {https://ntrs.nasa.gov/citations/20040087270},
  note = {Source identifier: 20040087270}
}