@article{aghakhani2020acoustically, title = {Acoustically powered surface-slipping mobile microrobots}, author = {Aghakhani, Amirreza and Yasa, Oncay and Wrede, Paul and Sitti, Metin}, journal = {Proceedings of the National Academy of Sciences}, volume = {117}, number = {7}, pages = {3469--3477}, year = {2020}, doi = {10.1073/pnas.1920099117} }