Production of Vinegar from Whey Egileak: J. Parrondo, L.A. García, M. Díaz Urtea: 2008 Liburua: Vinegars of the World. P. Giudici and L. Solieri (Eds.), Springer Verlag, Milán (Italia) ISBN/ISSN: 978-88-470-0865-6