Xingyi Wu, Yijie Dai, Chen Fu, Xiaobo Zhu, Wenhua Gu, Daying Sun, Wen Wu, Xiaodong Huang, Zhongxiang Shen: A General Method to Accurately Measure the Thin-Film Sheet Resistance for Sensors. IEEE Trans. Instrum. Meas. 70: 1-9 (2021)