@article{ribeiro2019edge,
  title={Edge phonons in layered orthorhombic GeS and GeSe monochalcogenides},
  author={Ribeiro, HB and Ramos, SLLM and Seixas, L and De Matos, CJS and Pimenta, MA},
  journal={Phys. Rev. B},
  volume={100},
  number={9},
  pages={094301},
  year={2019},
  publisher={APS},
  doi={10.1103/PhysRevB.100.094301}
}