@article{FleischhakerEvers2016,
  author    = {Robert Fleischhaker and J{\"o}rg Evers},
  title     = {Nonlinear effects in pulse propagation through Doppler-broadened closed-loop atomic media},
  journal   = {Physical Review A - Atomic, molecular, and optical physics},
  volume    = {77},
  number    = {4},
  pages     = {043805},
  doi       = {10.1103/PhysRevA.77.043805},
  year      = {2016},
}