@article{HerrmannKearney2015,
  author    = {Ulf Herrmann and David W. Kearney},
  title     = {Survey of Thermal Energy Storage for Parabolic Trough Power Plants},
  journal   = {Journal of Solar Energy Engineering},
  volume    = {124},
  number    = {2},
  pages     = {145 -- 152},
  doi       = {10.1115/1.1467601},
  year      = {2015},
}