@inproceedings{vonHippel:2012Mb,
  author = "von Hippel, Georg",
  title = "{Radiative improvement of spin and Darwin terms in the NRQCD action}",
  doi = "10.22323/1.164.0154",
  booktitle = "Proceedings of The 30th International Symposium on Lattice Field Theory {\textemdash} PoS(Lattice 2012)",
  year = 2012,
  volume = "164",
  pages = "154"
}