Rodrí­guez-Yunta L. Discovery services based on a central index: their expansion in Spanish academic libraries and future research lines. ThinKEPI [Internet]. 2015 May 3 [cited 2026 May 7];9:049-55. Available from: https://thinkepi.scimagoepi.com/index.php/ThinkEPI/article/view/thinkepi.2015.09