@misc{indiciaedfd7b4f32563,
  title = {Finite element analysis on piezoelectric ring transformer.},
  author = {Hing Leung Li and Jun Hui Hu and Helen Lai Wah Chan},
  year = {2004},
  doi = {10.1109/tuffc.2004.1350952},
  url = {https://pubmed.ncbi.nlm.nih.gov/15553508/},
  note = {Source identifier: 15553508}
}