@article{murphy2007adhesion, title = {Adhesion and anisotropic friction enhancements of angled heterogeneous micro-fiber arrays with spherical and spatula tips}, author = {Murphy, Michael P and Aksak, Burak and Sitti, Metin}, journal = {Journal of Adhesion Science and Technology}, volume = {21}, number = {12-13}, pages = {1281--1296}, publisher = {Taylor \& Francis Group}, year = {2007}, doi = {} }