Time Domain Reflectometry (TDR) technique – A solution to monitor moisture content in construction materialsTeresa Stingl Freitas, Ana Sofia Guimarães, Staf Roels, Vasco Peixoto de Freitas and Andrea CataldoE3S Web Conf., 172 (2020) 17001DOI: https://doi.org/10.1051/e3sconf/202017217001