@book{Greve+2012,
url = {https://doi.org/10.3790/9783428537624},
title = {Access-Blocking – Grenzen staatlicher Gefahrenabwehr im Internet},
title = {},
author = {Holger Greve},
publisher = {Duncker & Humblot},
address = {},
doi = {doi:10.3790/9783428537624},
isbn = {9783428537624},
year = {2012},
lastchecked = {2012}
}