Study of IR spectra of thiacalix[4]arene with carboxyl and adamantyl groupsVictor Furer, Ludmila Potapova, Ivan Vatsouro, Vladimir Kovalev and Elvira ShokovaE3S Web Conf., 274 (2021) 04002DOI: https://doi.org/10.1051/e3sconf/202127404002