Hannu Siitonen Hannu Juhani Siitonen
![Hannu Siitonen](https://upload.wikimedia.org/wikipedia/commons/5/55/Hannu_Siitonen_1972.jpg)
athletics competitor
Summary for all the roles in which the viewed person appears in the bibliography.
As main author
As co-author
As subject person
Source Database
Corporate Author
Form, Genre
Source
Publication language
Subject region
Publication place