@misc{1187976,
  author = {B R Lawn and S M Wiederhorn and H H Johnson},
  title = {Strength degradation of brittle surfaces ::blunt indenters},
  year = {1975},
  month = {1975-01-01 05:01:00},
  publisher = {, National Institute of Standards and Technology, Gaithersburg, MD},
  doi = {https://doi.org/10.6028/NBS.IR.75-664},
  language = {en},
}