DÓRA, Sándor. Development of Visual and Numerical Methods Based on Second Order Statistics for the Analysis of Digital Measurement Records. Periodica Polytechnica Transportation Engineering, [S. l.], v. 35, n. 1-2, p. 111–123, 2007. Disponível em: https://pp.bme.hu/tr/article/view/1894. Acesso em: 18 may. 2024.