TY - RPRT TI - Nonlinear high-frequency conductivity in semiconductors. AU - W Cai AU - P Hu AU - TF Zheng AU - B Yudanin AU - M Lax PY - 1989 DO - 10.1103/physrevb.40.7671 UR - https://pubmed.ncbi.nlm.nih.gov/9991193/ ID - 9991193 ER -