?url_ver=Z39.88-2004&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Abook&rft.aufirst=Luca&rft.aulast=Valori&rft.au=Valori%2C+Luca&rft.isbn=978-88-6655-322-9&rft.title=Complex+Networks+Approach+to+the+Italian+Photovoltaic+Energy+Distribution+System&rft.btitle=Proceedings+of+the+25th+ECOS+2012+International+Conference%2C+Perugia%2C+Italy%2C+June+26th+to+June+29th%2C+2012&rft.date=2012&rft.genre=proceeding