- Author: Anthony F. Buono, Ralph Grossmann, Hubert Lobnig
- Language: English
- Year: 2011
- Author: Ralph Grossmann, Hubert Lobnig, Klaus Scala
- Language: English
- Year: 2012
- Author: Univ.Doz.Dr. Ralph Grossmann Mag. Hanna Krause (auth.) Univ.Doz.Dr. Ralph Grossmann Mag. Hanna Krause (eds.)
- Language: German
- Year: 1997
- Author: Ewald E. Krainz (auth.) Ralph Grossmann Ewald E. Krainz Margit Oswald (eds.)
- Language: German
- Year: 1995
- Author: Hans Pechar (auth.) Univ.-Prof. Dr. Ralph Grossmann Mag. Klaus Scala (eds.)
- Language: German
- Year: 2004
- Author: Ralph Grossmann Kurt Mayer
- Language: German
- Year: 2011