Niessen, K., Y. T Deng, and A. G Markelz. ?Near-Field Thz Micropolarimetry?. Optics Express 27 (2019): 28036-28047. doi:https://doi.org/10.1364/OE.27.028036.

Markelz, A. G, and E. G Gwinn. ?Nonlinear Response Of Quantum-Confined Electrons In Nonparabolic Subbands?. Journal Of Applied Physics 80 (1996): 2533-2535. doi:10.1063/1.363040.