@misc{hoefler-GG500-isc-19,
  author={Torsten Hoefler},
  title={{The Green Graph500 List (June 2019)}},
  year={2019},
  month={Jun.},
  location={Frankfurt, Germany},
  note={Presented at the Green Graph 500 BoF at the International Conference on Supercomputing (ISC'19)},
}