@misc{indiciae4107834b04c8,
  title = {ZIP3D: An elastic and elastic-plastic finite-element analysis program for cracked bodies},
  author = {Shivakumar, K. N. and Newman, J. C., Jr.},
  year = {1990},
  url = {https://ntrs.nasa.gov/citations/19910002803},
  note = {Source identifier: 19910002803}
}