Rangochev, K., Goinov, M., Dimitrova, M. and Hristova- Shomova, I. 2013. Encyclopaedia Slavica Sanctorum: Activity, Users, Statistics. Digital Presentation and Preservation of Cultural and Scientific Heritage. 3, (Sep. 2013), 81–90. DOI:https://doi.org/10.55630/dipp.2013.3.8.