MAYA HERNÁNDEZ, P. M.; SANZ PASCUAL, M. T.; DÍAZ SÁNCHEZ, A.; CALVO, B. Integrated design for a compact low consumption Lock-In amplifier for portable applications. Superficies y Vacío, [S. l.], v. 27, n. 2, p. 66-73, 2014. Disponível em: https://superficiesyvacio.smctsm.org.mx/index.php/SyV/article/view/138. Acesso em: 3 may. 2024.