@article{BucherFrangopol2006,
  author    = {Christian Bucher and D.M. Frangopol},
  title     = {Optimization of lifetime maintenance strategies for deteriorting structures considering probabilities of violating safety, condition, and cost thresholds},
  journal   = {Probabilistic Engineering Mechanics},
  pages     = {1 -- 8},
  year      = {2006},
}