Choi, Y.-B., Xie, Y., Chen, C.-Z., Park, J., Song, S.-B., Yoon, J., Kim, B. J., Taniguchi, T., Watanabe, K., Kim, J., Fong,
K. C., Ali, M. N., Law, K. T., & Lee, G.-H. (2020). Evidence of higher-order topology
in multilayer WTe2 from Josephson coupling through anisotropic hinge states. Nature Materials,
19(9), 974-979. doi:10.1038/s41563-020-0721-9.