@misc{indiciae3d076ad73000,
  title = {Addition of three-dimensional isoparametric elements to NASA structural analysis program (NASTRAN)},
  author = {Field, E. I. and Johnson, S. E.},
  year = {1973},
  url = {https://ntrs.nasa.gov/citations/19730012189},
  note = {Source identifier: 19730012189}
}