Preservation and Digital Restoration of Audio Archives Nikola Ikonomov — 2003 Review of the National Center for Digitization
Presentation of the digicult survey of new technologies in the scientific and cultural heritage sector Milena Dobreva; Nikola Ikonomov — 2004 Review of the National Center for Digitization
The making of … digital books Nikola Ikonomov; Milena Dobreva — 2008 Review of the National Center for Digitization