@misc{indiciae1fcf01a8c9cd,
  title = {FRANC2D: A two-dimensional crack propagation simulator. Version 2.7: User's guide},
  author = {Wawrzynek, Paul and Ingraffea, Anthony},
  year = {1994},
  url = {https://ntrs.nasa.gov/citations/19940020636},
  note = {Source identifier: 19940020636}
}