JIJÓN, Diego; COSTA VERA, César. Quantification of metal cations in water LIBS by deposition on a surface of steel striped with pencil HB. ACI Avances en Ciencias e Ingenierías, [S. l.], v. 3, n. 2, 2011. DOI: 10.18272/aci.v3i2.64. Disponível em: https://revistas.usfq.edu.ec/index.php/avances/article/view/64. Acesso em: 22 apr. 2026.