@incollection{Otón12,
author = {Salvador Otón and Antonio Ortiz and Luis de-Marcos and Sergio Mazo de Dios and Antonio García and Eva García and José R. Hilera and Roberto Barchino},
title = {Developing Distributed Repositories of Learning Objects},
booktitle = {Methodologies, Tools and New Developments for E-Learning},
publisher = {IntechOpen},
address = {Rijeka},
year = {2012},
editor = {Elvis Pontes and Anderson Silva and Adilson Guelfi and Sérgio Takeo Kofuji},
chapter = {13},
doi = {10.5772/29447},
url = {https://doi.org/10.5772/29447}
}