File:Engelkurve.png
Summary
| Description |
Deutsch: Engelkurve, verschiedene Verlaufsformen |
| Date | |
| Source | Derivative work of de:Datei:Engelkurve-2.png |
| Author | DaveRicardo |
| Other versions | de:Datei:Engelkurve-2.png |
Licensing
 |
This work is ineligible for copyright and therefore in the public domain because it consists entirely of information that is common property and contains no original authorship. |
