@misc{indiciaede7fbb12231a,
  title = {The scratch test - Different critical load determination techniques},
  author = {Sekler, J. and Hintermann, H. E. and Steinmann, P. A.},
  year = {1988},
  url = {https://ntrs.nasa.gov/citations/19890066907},
  note = {Source identifier: 19890066907}
}