@misc{163211,
  author = {R Munro and Stephen Freiman and T Baker},
  title = {Fracture Toughness Data for Brittle Materials},
  year = {1998},
  month = {1998-04-01},
  publisher = {NIST Interagency/Internal Report (NISTIR), National Institute of Standards and Technology, Gaithersburg, MD},
  language = {en},
}