Katilius, R., J. Liberis, A. Matulionis, R. Raguotis, and P. Sakalas. 1998. “Nonlinear Transport and Fluctuation Characteristics of Doped Semiconductors”. Nonlinear Analysis: Modelling and Control 2 (1): 35-42. https://doi.org/10.15388/NA.1998.2.0.15285.