@article {625357,
	title = {Controlled flight of a microrobot powered by soft artificial muscles},
	journal = {Nature},
	year = {2019},
	url = {https://www.nature.com/articles/s41586-019-1737-7$\#$Ack1},
	author = {Yufeng Chen and Huichan Zhao and Jie Mao and Pakpong Chirarattananon and E. Farrell Helbling and Nak-seung Patrick Hyun and David Clarke and Robert Wood}
}
