Jolly, N., Minnaar, P. , Booyse, M. and Gerber, P. 2021. Bottle Fermented Sparkling Wine: Cork or Crown Closures During the Second Fermentation?. South African Journal of Enology and Viticulture. 42, 2 (Aug. 2021), 136–153. DOI:https://doi.org/10.21548/42-2-4522.