Past and future of sustainable viticulture in Switzerland O. Viret, J.-L. Spring, V. Zufferey, K. Gindro, C. Linder, A. Gaume and F. Murisier BIO Web Conf., 15 (2019) 01013 Published online: 23 October 2019 DOI: 10.1051/bioconf/20191501013