?url_ver=Z39.88-2004&rft_id=10.1109%2FInfRKM.2012.6205031&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Abook&rft.au=Sirageldin%2C+A.&rft.aulast=Sirageldin&rft.aufirst=A.&rft.date=2012&rft.title=Hybrid+scheme+for+trust+management+in+pervasive+computing&rft.isbn=9781467310901&rft.genre=proceeding