@misc{indiciae4258a6780b84,
  title = {Efficiency and its bounds for a quantum Einstein engine at maximum power},
  author = {Yan, H. and Guo, Hao},
  year = {2012},
  doi = {10.1103/physreve.86.051135},
  url = {https://www.osti.gov/biblio/1101830},
  note = {Source identifier: 1101830}
}