@article{SchmittBlankSchoenbrunn2005,
  author    = {Rolf W. Schmitt and K. Blank and G. Schoenbrunn},
  title     = {Experimentelle Spannungsanalyse zum Doppelringverfahren},
  journal   = {Sprechsaal : internat. ceramics \& glass magazine. 116 (1983), H. 5},
  pages     = {397 -- 405},
  year      = {2005},
}