?url_ver=Z39.88-2004&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Abook&rft.aufirst=Andrea&rft.au=Bacigalupo%2C+Andrea&rft.aulast=Bacigalupo&rft.title=Second-gradient+computational+homogenization+of+periodic+materials&rft.date=October+2012&rft.genre=proceeding