| URN | urn:nbn:de:101:1-201707123948 |
|---|---|
| Responsible organisation | Deutsche Nationalbibliothek, Automatisierte URN-Vergabe 60322 Frankfurt am Main |
| Created / last modified | 2017-07-12T11:31:02Z 2017-07-12T22:08:17Z |
| Registered URLs |
|---|
| http://www.dittrich-verlag.de/buecher/kreis-und-quadrat/ |
| https://d-nb.info/1136679871/34 |
Please contact the responsible organisation if you experience any errors with the URLs.
