• Optical spectroscopy methods for the characterization of sol-gel materialsMarques, Ana C.; Rojas Hernandez, Rocio Estefania; Almeida, Rui M.Journal of Sol-Gel science and technology2021 / 43 p. : ill https://doi.org/10.1007/s10971-021-05592-0 https://www.scopus.com/sourceid/21188 https://www.scopus.com/record/display.uri?eid=2-s2.0-85113639007&origin=inward&txGid=3da53e363df67ed56a320ecafbeb9794 https://jcr.clarivate.com/jcr-jp/journal-profile?journal=J%20SOL-GEL%20SCI%20TECHN&year=2022 https://www.webofscience.com/wos/woscc/full-record/WOS:000689690200002