Dóka, O., Ficzek, G., Simon, G. , Zsófi, Z., Villangó, S. and Végvári, G. 2023. Quantification of total polyphenol content in wine lees by conventional optical and photoacoustic spectroscopy. OENO One. 57, 2 (May 2023), 257–264. DOI:https://doi.org/10.20870/oeno-one.2023.57.2.7178.