BibTex Entry

@article{xu2012directive,
  title={Directive-based Programming Models for Scientific Applications-A Comparison},
  author={Xu, Rengan and Chandrasekaran, Sunita and Chapman, Barbara and Eick, Christoph F},
  booktitle={High Performance Computing, Networking, Storage and Analysis (SCC), 2012 SC Companion},
  pages={1--9},
  doi={10.1109/SCC.2012.6522594},
  year={2012},
  organization={IEEE}
}