@article{Bierenbaum:2009Ea,
  author = "Bierenbaum, Isabella",
  title = "{The use of Mellin-Barnes Integrals for the Calculation of Two-loop massive Operator Matrix Elements}",
  doi = "10.22323/1.050.0070",
  journal = "PoS",
  year = 2009,
  volume = "ACAT",
  pages = "070"
}