- Author: Horst Dreier, Walter Pauly, Ingolf Pernice, Peter M. Huber, Gertrude Lübbe-Wolff, Christoph Grabenwarter, Wolfgang Löwer, Thomas Puhl, Michael Holoubek
- Language: German
- Year: 2001
Vergaberecht
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- Author: Univ.-Prof. Dr. Michael Holoubek Mag. Claudia Fuchs LLM Mag. Martina Weinhandl (auth.)
- Language: German
- Year: 2005
- Author: Univ.-Prof. Dr. Michael Holoubek Univ.-Ass. Dr. Claudia Fuchs LL.M. Univ.-Ass. Mag. Kerstin Holzinger (auth.)
- Language: German
- Year: 2009
- Author: Univ.-Prof. Dr. Michael Holoubek Dr. Klaus Kassai LL.M. MR Dr. Matthias Traimer (auth.)
- Language: German
- Year: 2010
- Author: Univ.-Prof. Dr. Stefan Griller Univ.-Prof. Dr. Michael Holoubek (auth.)
- Language: German
- Year: 2006
- Author: Univ.-Prof. Dr. Stefan Griller Univ.-Prof. Dr. Michael Holoubek (auth.)
- Language: German
- Year: 2006
- Author: Univ.-Prof. Dr. Michael Holoubek Dr. Klaus Kassai LL.M. Dr. Matthias Traimer (auth.)
- Language: German
- Year: 2006
- Author: Univ.-Prof. Dr. Michael Holoubek Dr. Klaus Kassai LL.M. MR Dr. Matthias Traimer (auth.)
- Language: German
- Year: 2010
- Author: Michael Holoubek Klaus Kassai Matthias Traimer
- Language: German
- Year: 2010