- Author: Christian Schittich (editor)
- Language: English
- Year: 2008
- Author: Regine Ellen
- Language: English
- Year: 2008
- Author: Doris Haas-Arndt
- Language: English
- Year: 2008
- Author: Gerrit Schwalbach
- Language: English
- Year: 2009
- Author: Thorsten Bürklin
- Language: English
- Year: 2007
Basics Tendering
pdf
- Author: Tim Brandt
- Language: English
- Year: 2007
- Author: Ludwig Steiger
- Language: English
- Year: 2007
- Author: Ulrich Exner
- Language: English
- Year: 2004
- Author: Michael Heinrich
- Language: English
- Year: 2008
- Author: Hartmut Klein
- Language: English
- Year: 2007