@InProceedings{	  mantel:information:a,
  author	= {Heiko Mantel},
  title		= {Information Flow Policies},
  booktitle	= {Encyclopedia of Cryptography and Security (3rd Ed.)},
  year		= 2024,
  url		= {http://doi.org/10.1007/978-3-642-27739-9_1541-1},
  note		= {(to appear, preprint available at
		  https://doi.org/10.1007/978-3-642-27739-9_1541-1)}
}