Online information resources
Online catalogue of the Central Library of BAS and the library network
Library documents in the academic library network from 01.01.2003
The online catalogue of the library of IO-BAS is a part of the General Library – BAS Catalogue, created according to the Integral Library System ALEPH500. The bibliographic descriptions are created according to formats MARC 21 and AACR2.
NALIS Union Catalogue – national catalogue of the academic libraries in Bulgaria
Free access to bibliographic data of over 3,500,000 books, periodicals, maps, graphics, digital copies.
Since 2010 the General online library catalogue of the Central Library – BAS has been integrated into the National Academic Library Information System (NALIS) through the Primo platform. NALIS catalogue covers the resources of all academic and larger libraries in the country.