HyCo-An Authoring Tool to Create Semantic Learning Objects for Web-Based E-learning Systems. - Francisco J. García-Peñalvo; Adriana J. Berlanga; María N. Moreno García; Javier García; Jorge Carabias (ICWE, 2004)

Authoring Adaptive Learning Designs Using IMS LD. - Adriana J. Berlanga; Francisco J. García-Peñalvo; Jorge Carabias (AH, 2006)