@book{ BA08091808,
  author    = "Sih, G. C. (George C.)",
  title     = "Handbook of stress-intensity factors : stress-intensity factor solutions and formulas for reference",
  publisher = "Institute of Fracture and Solid Mechanics, Lehigh University",
  year      = "1973",
  URL       = "https://ci.nii.ac.jp/ncid/BA08091808"
}