@article{Mukherjee_2016,
title={Speed and efficiency limits of multilevel incoherent heat engines},
volume={94},
ISSN={2470-0053},
url={http://dx.doi.org/10.1103/physreve.94.062109},
DOI={10.1103/physreve.94.062109},
number={6},
journal={Physical Review E},
publisher={American Physical Society (APS)},
author={Mukherjee,
V. and Niedenzu,
W. and Kofman,
A. G. and Kurizki,
G.},
year={2016},
month=dec }