@InProceedings{	  hu.mantel.ea:enforcing,
  author	= {Jinwei Hu and Heiko Mantel and Sebastian Ruhleder},
  title		= {Enforcing Usage Constraints on Credentials for Web
		  Applications},
  booktitle	= {Proceedings of the 30th International Information Security
		  and Privacy Conference (IFIP SEC)},
  publisher	= {Springer},
  year		= 2015,
  pages		= {112-125},
  pdf		= {https://www.mais.informatik.tu-darmstadt.de/WebBib/papers/2015/2015-IFIPSEC-HuMantelRuhleder-.pdf}
}