?url_ver=Z39.88-2004&rft_id=10.1145%2F2422498.2422502&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Abook&rft.au=Bush%2C+Marianne&rft.aufirst=Marianne&rft.aulast=Bush&rft.date=2012&rft.title=Towards+Model-Driven+Development+of+Access+Control+Policies+for+Web+Applications&rft.btitle=Proceedings+of+1st+International+Workshop+on+Model-Driven+Security+(MDsec)&rft.genre=bookitem