BibTex format
@inproceedings{Vallina-Rodriguez:2012:10.1109/SocialCom-PASSAT.2012.120,
author = {Vallina-Rodriguez, N and Scellato, S and Haddadi, H and Forsell, C and Crowcroft, J and Mascolo, C},
doi = {10.1109/SocialCom-PASSAT.2012.120},
pages = {496--501},
publisher = {IEEE},
title = {Los Twindignados: The Rise of the Indignados Movement on Twitter},
url = {http://dx.doi.org/10.1109/SocialCom-PASSAT.2012.120},
year = {2012}
}