@incollection{2012:hillgruber:constituti,
title = {Constitution and Natural Law},
year = {2012},
note = {},
booktitle = {Human Rights and Natural Law},
pages = {65--75},
edition = {1},
author = {Hillgruber, Christian},
publisher = {Nomos},
address = {Baden-Baden},
series = {West-östliche Denkwege},
volume = {21}
}