MCGONIGLE, Euan T.; KILLICK, Rebecca; NUNES, Matthew A. TrendLSW: Trend and Spectral Estimation of Nonstationary Time Series in R. Journal of Statistical Software, [S. l.], v. 115, n. 10, p. 1–30, 2026. DOI: 10.18637/jss.v115.i10. Disponível em: https://www.jstatsoft.org/index.php/jss/article/view/v115i10. Acesso em: 22 jan. 2026.