XIAPING, Fu; YIBIN, Ying; YING, Zhou; HUISHAN, Lu; HUIRONG, Xu. Quantitative and qualitative measurement of pear firmness based on near infrared spectroscopy and chemometrics. International Journal of Agricultural and Biological Engineering, [S. l.], v. 1, n. 1, p. 69–74, 2008. Disponível em: https://ijabe.migration.pkpps06.publicknowledgeproject.org/index.php/ijabe/article/view/18. Acesso em: 27 feb. 2026.