- Author: Nielson Flemming, Nielson Hanne Riis
- Language: English
- Year: 2007
- Author: Flemming Nielson Hanne Riis Nielson
- Language: English
- Year: 2019
- Author: Flemming Nielson Hanne Riis Nielson Chris Hankin (auth.)
- Language: English
- Year: 1999
- Author: Torben Amtoft Flemming Nielson Hanne Riis Nielson
- Language: English
- Year: 1999
- Author: Flemming Nielson Hanne Riis Nielson
- Language: English
- Year: 1992
- Author: Flemming Nielson Hanne Riis Nielson
- Language: English
- Year: 1992