- Author: Per Christian Hansen
- Language: English
- Year: 1987
Braids and coverings
djvu
- Author: Vagn Lundsgaard Hansen
- Language: English
- Year: 1990
- Author: Per Christian Hansen
- Language: English
- Year: 2006
- Author: Glen A. Hansen Rod W. Douglass Andrew Zardecki
- Language: English
- Year: 2005
- Author: Hansen M.B.
- Language: English
- Year: 2002
- Author: Hansen V.L. (ed.)
- Language: English
- Year: 1987
- Author: Mark D. Hansen
- Language: English
- Year: 2007
C# precisely
pdf
- Author: Peter Sestoft Henrik I. Hansen
- Language: English
- Year: 2004
- Author: Steven M. Hansen Sybex
- Language: English
- Year: 2004