[1]
Virágos, M. 2020. CHANGE OF REGIME AND REGIME CHANGERS IN THE UNIVERSITY AND NATIONAL LIBRARY OF THE UNIVERSITY OF DEBRECEN: FROM THE CARD CATALOGUE TO THE ONLINE QUERY SYSTEMS. Gerundium. 11, 3-4 (Dec. 2020), 123–142. DOI:https://doi.org/10.29116/gerundium/2020/3-4/7.