@article{DuanFreyThorwartetal.2016,
  author    = {Hong-Guang Duan and Moritz Frey and Michael Thorwart and Peter Nalbach},
  title     = {Two-dimensional photon echoes reveal non-Markovian energy transfer in an excitonic dimer},
  journal   = {Physical Review E},
  volume    = {94},
  number    = {5},
  pages     = {052146},
  doi       = {10.1103/PhysRevE.94.052146},
  year      = {2016},
}