@article{Lenz:1999r5,
  author = "Lenz, A.",
  title = "{Next - to - Leading Order QCD Corrections to the Lifetime Difference of Bs Mesons}",
  doi = "10.22323/1.001.0042",
  journal = "PoS",
  year = 1999,
  volume = "corfu98",
  pages = "042"
}