@article{KnaakSuessmannHilfetal.2009,
  author    = {Siegfried Knaak and Georg S{\"u}ssmann and Eberhard Hilf and Helmut B{\"u}ttner},
  title     = {Surface tension of nuclear matter},
  journal   = {Physics Letters},
  volume    = {23},
  number    = {12},
  pages     = {711 -- 713},
  year      = {2009},
}