@patent{three-dimensional2021,
  title = {Three-dimensional assembly based microfabrication strategy for magnetic soft machines},
  year = {2021},
  note = {International App. PCT/EP2021/071716},
  slug = {three-dimensional2021},
  author = {Sitti, Metin and Zhang, Jiachen and Ren, Ziyu and Hu, Wenqi}
}