The article describes the process of library automation in the Bulgarian National Library and the conversion of the records in their databases into the COMARC format and lists the reasons why COBISS software was chosen by the National Library of Bulgaria and other Bulgarian libraries. It also mentions the need to expand the COMARC format due to countries with different cataloguing practices participating in the COBISS.Net project.
Presented in this paper are the very beginnings of library automation in Slovenia, the current state and issues. A special emphasis is given on the automation level of larger libraries which, for the most part, are full members of the COBISS.SI system. The paper also contains comprehensive factual data on the system.