@article{diller2014three,
  title = {Three-Dimensional Programmable Assembly by Untethered Magnetic Robotic Micro-Grippers},
  journal = {Advanced Functional Materials},
  volume = {24},
  pages = {4397--4404},
  year = {2014},
  slug = {diller2014three},
  author = {Diller, Eric and Sitti, Metin}
}