@misc{cea-nbcoll,
  author={Torsten Hoefler},
  title={{Non-Blocking Collectives for MPI-2}},
  institution={Commissariat a l'Energie Atomique - Direction des applications militaires (CEA-DAM)},
  year={2007},
  month={Jan.},
  location={Bruyeres-le-chatel, France},
}