@misc{indiciae09bbe88af4c9,
  title = {Laboratory experiments on reverted rubber friction},
  author = {Clark, S. K. and Nybakken, G. H. and Staples, R. J.},
  year = {1969},
  url = {https://ntrs.nasa.gov/citations/19690025537},
  note = {Source identifier: 19690025537}
}