@article{sydney2016biomimetic,
  title={Biomimetic 4D printing},
  author={Sydney Gladman, A and Matsumoto, Elisabetta A and Nuzzo, Ralph G and Mahadevan, Lakshminarayanan and Lewis, Jennifer A},
  journal={Nature materials},
  volume={15},
  number={4},
  pages={413--418},
  year={2016},
  publisher={Nature Publishing Group UK London}
}