1.
|
Bern : Stämpfli, 2000.
German | F 634 MEI.S |
|
2.
|
Bâle : Helbing Lichtenhahn, 2013.
French | F 619 WER.C |
|
3.
|
Alphen aan den Rijn : Kluwer Law International, c2011. Second edition.
English | F 351 COT.C (2011) |
|
4.
|
Zurich : Schulthess, 2000.
German | F 44 KAS.P |
|