Santo, Geisiely do Espírito, and Wanderson de Paula Pinto. 2022. “Spectral Analysis of Time Series: An Application for Air Pollution in the City of Vitória, Espírito Santo, Brazil”. The Journal of Engineering and Exact Sciences 8 (2). Viçosa/MG, BR:13892-1. https://doi.org/10.18540/jcecvl8iss2pp13892-01e.