@article{Biener2006,
  author    = {Ernst Biener},
  title     = {Rehabilitation of old gravity dams},
  journal   = {[Transactions] : proceedings of fifteenth international congress on large dams ; 24 - 28 Juin 1985, Lausanne, Suisse = Quinzieme Congres International des Grands Barrages. - Bd. 4},
  pages     = {Q 59, R.2, S. 21 -- 23},
  year      = {2006},
}