This work is subject to copyright. Permission to make digital or hard copies of portions of this work for personal or classroom use is granted without fee, provided that the copies are not made or distributed for profit or commercial advantage and that the copies bear this notice and the full citation on the first page. Copyright for components of this work owned by others must be honoured. Abstracting with credit is permitted. To otherwise reproduce or transmit in any form or by any means, electronic or mechanical, including photocopying, recording, or by any information storage retrieval system or in any other way requires written permission from the publisher.

Digital presentation and preservation of cultural and scientific heritage : [papers of the conference]. - Sofia. Vol. 10 : Proceedings of the Tenth international conference, Burgas, Bulgaria, September 24-26, 2020 / editors: D. Paneva-Marinova [et al.]. - 2020. - 284 p.Bibliogr. at the end of the art.