- Author: Aarnio Aulis
- Language: German
- Author: Markus Aarnio
- Language: English
- Year: 2022
- Author: Aulis Aarnio
- Language: English
- Year: 1983
- Author: Aarnio A., Valdés E.G., Uusitalo J.
- Language: Spanish
- Year: 1997
- Author: Aulis Aarnio
- Language: Spanish
- Year: 1991