?url_ver=Z39.88-2004&rft_id=10.4204%2FEPTCS.203.6&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Ajournal&rft.aufirst=Silvia&rft.aulast=Ghilezan&rft.au=Ghilezan%2C+Silvia&rft.issn=2075-2180&rft.pages=73-84&rft.volume=203&rft.date=2015&rft.title=Electronic+Proceedings+in+Theoretical+Computer+Science&rft.atitle=A+Typed+Model+for+Dynamic+Authorizations&rft.genre=article