Reference:

M. Nickles. Towards a logic of graded normativity and norm adherence. In G. Boella, L. van der Torre, and H. Verhagen, editors, Proceedings of the Dagstuhl Seminar on Normative Multiagent Systems (NORMAS-07). Dagstuhl, 2007.

Suggested BibTeX entry:

@inproceedings{Normas07,
    author = {M. Nickles},
    booktitle = {Proceedings of the Dagstuhl Seminar on Normative Multiagent Systems (NORMAS-07)},
    editor = {G. Boella and L. van der Torre and H. Verhagen},
    publisher = {Dagstuhl},
    title = {Towards a Logic of Graded Normativity and Norm Adherence},
    year = {2007}
}