@inbook{Guerrero_2013, title={A Metropolitan-Scale Testbed for Heterogeneous Wireless Sensor Networks to Support CO2 Reduction}, ISBN={9783642379772}, ISSN={1867-822X}, url={http://dx.doi.org/10.1007/978-3-642-37977-2_11}, DOI={10.1007/978-3-642-37977-2_11}, booktitle={Green Communication and Networking}, publisher={Springer Berlin Heidelberg}, author={Guerrero, Pablo E. and Buchmann, Alejandro and Van Laerhoven, Kristof and Schweizer, Immanuel and Mühlhäuser, Max and Strufe, Thorsten and Schneckenburger, Stefan and Hegger, Manfred and Kretzschmar, Birgitt}, year={2013}, pages={112–120} }