| Author(s) | Sauerland, Uli & Arnim von Stechow |
| Date of publication | 2001 |
| Compilation title | International Encyclopedia of the Social & Behavioural Sciences |
| Editor(s) | Neil J. Smelser & Paul B. Baltes (eds.) |
| Pages | 15412-15418 |
| Publisher | Pergamon Press |
| Place | Oxford |
| Publisher website |