@article{1990:sack:normative_, title = {Normative Regulation and De Facto Organisation. Two Alternative Techniques of Socio-Legal Ordering}, year = {1990}, note = {}, journal = {VRÜ Verfassung und Recht in Übersee}, pages = {449--460}, author = {Sack, Peter G.}, volume = {23}, number = {4} }