@article{aragon2013communication, title={Communication dynamics in twitter during political campaigns: The case of the 2011 Spanish national election}, author={Arag{\'o}n, Pablo and Kappler, Karolin Eva and Kaltenbrunner, Andreas and Laniado, David and Volkovich, Yana}, journal={Policy \& Internet}, volume={5}, number={2}, pages={183--206}, year={2013} }