| title | ISBN-13 (ISBN-10) | year of publica- tion | other author(s) |
|---|---|---|---|
| Young Athletes, Couch Potatoes, and Helicopter Parents: The Productivity of Play | 978-1-4422-2979-2 (1-4422-2979-9) | 2013 | Robert Engvall |
J. S. · Jacek Skolimowski · Jacek Sliwinski · Jacques Schlanger · Jacques Selmès