@misc{indiciaefedf1a63d2d9,
  title = {Crack propagation under variable load histories in linearly viscoelastic solids},
  author = {Dietmann, H. and Knauss, W. G.},
  year = {1969},
  url = {https://ntrs.nasa.gov/citations/19700007807},
  note = {Source identifier: 19700007807}
}