Herrero-Solano V, Moya-Anegon F, Guerrero-Bote V, Zapico-Alonso F. Graphical Table of Contents for Library Collections: The Application of Universal Decimal Classification Codes to Subject Maps. ITAL [Internet]. 2006 Mar. 1 [cited 2024 Apr. 25];25(1):43-7. Available from: https://ital.corejournals.org/index.php/ital/article/view/3328