?url_ver=Z39.88-2004&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Abook&rft.aulast=Caldarelli&rft.au=Caldarelli%2C+Guido&rft.aufirst=Guido&rft.btitle=Networks%3A+a+very+short+introduction&rft.isbn=978-0-19-958807-7&rft.tpages=136&rft.date=2012&rft.genre=book