@article{khalil2018controllable, title = {Controllable switching between planar and helical flagellar swimming of a soft robotic sperm}, author = {Khalil, I. S. M. and Tabak, A. F. and Seif, M. A. and Klingner, A. and Sitti, M.}, journal = {PloS One}, volume = {13}, number = {11}, pages = {e0206456}, year = {2018}, doi = {} }