@misc{60223,
  author = {David Feldman and Galen L Barbose and Robert Margolis and Mark Bolinger and Donald Chung and Ran Fu and Joachim Seel and Carolyn Davidson and Ryan H Wiser},
  title = {Photovoltaic System Pricing Trends: Historical, Recent, and Near-Term Projections},
  year = {2015},
  month = {09/2015},
  institution = {National Renewable Energy Laboratory},
  publisher = {National Renewable Energy Laboratory},
}