@patent{hu2020method,
  title = {Method of actuating a shape changeable member, shape changeable member and actuating system},
  abstract = {The present invention relates to a method of actuating a shape changeable member of actuatable material. The invention further relates to a shape changeable member and to a system comprising such a shape changeable member and a magnetic field apparatus.},
  publisher = {Google Patents},
  month = jan,
  year = {2020},
  note = {US Patent App. 16/477,593},
  author = {Hu, Wenqi and Lum, Guo Zhan and Mastrangeli, Massimo and Sitti, Metin},
  month_numeric = {1}
}