Bautista-Ortín, A. B., Busse-Valverde, N., Rodriguez-Rodriguez, P., Jimenez-Pascual, E., Gil-Muñoz, R. and Gómez-Plaza, E. (2013) “Qualitative composition and extractability of grape skin tannins during the ripening period. Role of the extraction solvent”, OENO One, 47(2), pp. 137–143. doi: 10.20870/oeno-one.2013.47.2.1539.