Copyright (c) Dubina Nikolay, Moscow (http://wt.aha.ru/d-studio/) - wwwart@mail.ru, 1999. All rights reserved.. DubinaNikolay,Moscow(http://wt.aha.ru/d-studio/)-wwwart@mail.ru,: DS ShowBill: 1999. DS ShowBill. Version 2.1; 1999. DSShowBill. DS ShowBill is a trademark of the Dubina Nikolay, Moscow (http://wt.aha.ru/d-studio/) - wwwart@mail.ru.. Project russian table of Shwarz B.V. (1974), english table and digital version (full) - Dubina Nikolay (1999). http://www.wt.aha.ru/vedi/. http://www.wt.aha.ru/d-studio/