@article{RichterVollhardt2006,
  author    = {Lothar Richter and Dieter Vollhardt},
  title     = {Force measuring methods for determination of surface tension of liquids: A comparison},
  journal   = {Tenside, surfactants, detergents},
  volume    = {43},
  number    = {5},
  pages     = {256 -- 261},
  doi       = {10.3139/113.100314},
  year      = {2006},
}