@article{NanthakumarLahmerZhuangetal.2016,
  author    = {S.S. Nanthakumar and Tom Lahmer and Xiaoying Zhuang and Harold S. Park and Timon Rabczuk},
  title     = {Topology optimization of piezoelectric nanostructures},
  journal   = {Journal of the Mechanics and Physics of Solids},
  pages     = {316 -- 335},
  year      = {2016},
}