| Titel | ISBN-13 (ISBN-10) | Erscheinungsjahr |
|---|---|---|
| The Development of Children's Understanding of Space Relations among Objects: The Coordination of Perspectives Task of Jean Piaget | 978-3-261-O4872-1 (3-261-O4872-7) | 2008 |
A. J. · A N · Alfred J. Nigl Ph.D. Charles A. Nigl · Alfred Nigl