رمضان مطر ظ. Principle Components Approach Employment to Estimate the Delay Time in Dynamical Systems. IRAQI JOURNAL OF STATISTICAL SCIENCES, [S. l.], v. 7, n. 2, p. 77–97, 2007. DOI: 10.33899/iqjoss.2007.031729. Disponível em: https://ojs.uomosul.edu.iq/index.php/stats/article/view/29002. Acesso em: 17 sep. 2025.