@article{3085,
  author = {Stefan Mathias and C. La-O-Vorakiat and Patrik Grychtol and Justin Shaw and R. Adam and Hans Nembach and M. Siemens and Steffen Eich and C. Schneider and Thomas Silva and Martin Aeschlimann and Henry Kapteyn and Margaret Murnane},
  title = {Probing the timescale of the exchange interaction in a ferromagnetic alloy},
  year = {2012},
  journal = {PNAS},
  volume = {109},
  pages = {4792-4797},
  month = {2012-01},
  doi = {10.1073/pnas.1201371109},
}