Marulanda-Bernal, J.I. et al. 2019. Microwave Frequency Characterization of Barium Titanate Films Obtained Via Sol-Gel. Revista Facultad de Ingeniería. 29, 54 (Dec. 2019), e10416. DOI:https://doi.org/10.19053/01211129.v29.n54.2020.10416.