@article{tsai2009langmuir, title={Drop impact upon micro-and nanostructured superhydrophobic surfaces}, author={Tsai, Peichun and Pacheco, Sergio and Pirat, Christophe and Lefferts, Leon and Lohse, Detlef}, journal={Langmuir}, volume={25}, number={20}, pages={12293--12298}, year={2009}, publisher={ACS Publications} }