Zhang, H., D. Liu, J. Lee, H. Chen, E. Kim, X. Shen, Q. Zheng, J. Yang, and J. Kim. “Anisotropic, Wrinkled, and Crack-Bridging Structure for Ultrasensitive, Highly Selective Multidirectional Strain Sensors”. Nano-Micro Letters, vol. 13, May 2021, p. 122, doi:10.1007/s40820-021-00615-5.