- Author: Heine H Hansen Paul A. Bunn Jr.
- Language: English
- Year: 2001
- Author: Wallace R. Hansen
- Language: English
- Year: 1984
- Author: M.J. Shaffer Liwang Ma Soren Hansen
- Language: English
- Year: 2001
- Author: Thomas Blom Hansen Finn Stepputat
- Language: English
- Year: 2005
- Author: Vagn Lundsgaard Hansen
- Language: English
- Year: 1999
- Author: Heine H. Hansen Stanley B. Kaye Franco Cavalli
- Language: English
- Year: 2009
- Author: Jack Canfield Mark Victor Hansen
- Language: English
- Year: 1993
- Author: Jean-Pierre Hansen I.R. McDonald
- Language: English
- Year: 2006
- Author: Jean-Pierre Hansen I.R. McDonald
- Language: English
- Year: 2006