@inproceedings{orchid72,
       booktitle = {IEEE International Energy Conference \& Exhibition (ENERGYCON 2012)},
           month = {September},
           title = {Coalitional Energy Purchasing in the Smart Grid. },
          author = {Meritxell Vinyals and A Bistaffa and Alessandro Farinelli and Alex Rogers},
            year = {2012},
        subjects = {Energy Management, Flexible Autonomy},
             url = {http://www.orchid.ac.uk/eprints/72/1/energycon2012.pdf}
}