@book{ BA07508131, author = "Sih, G. C. (George C.)", title = "Stress analysis of notch problems : stress solutions to a variety of notch geometries used in engineering design", publisher = "Sijthoff & Noordhoff International Publishers", year = "1978", series = "Mechanics of fracture / edited by George C. Sih", number = "v. 5", URL = "http://ci.nii.ac.jp/ncid/BA07508131" }