K.k. · K. Kruger · Kai Krüger
| title | ISBN-13 (ISBN-10)  | year of publica- tion  | other author(s) | 
|---|---|---|---|
| European Public Contracts in a Labour Law Perspective | 978-87-574-0036-6 (87-574-0036-9)  | 1998 | Ruth Nielsen · Niklas Bruun | 
| Norsk kjøpsrett | 978-82-419-0075-4 (82-419-0075-9)  | 1991 | |
| Norsk kontraktsrett | 978-82-419-0011-2 (82-419-0011-2)  | 1989 | |