• "Modern technology for vinification of Riesling" pdf  • “Theory and practice of micooxigenation” pdf   • "Modern approach to the use of oak alternatives in the  vinification of red and white grapes" pdf  • “Optimal interaction yeast / bacteria - a necessary condition for  successful MLF” pdf  • “Effect of tannins during the aging of wine” pdf  Bulgaria; Sofia 1404; Deyan Belishki Str.  40-42; Tel: +359 2 9581989; +359 2 9584459; Fax: + 359 2 9584720; email: info@bvtechnologies.com