| Signature mark | NL 209/328 |
|---|---|
| Subject | Dia |
| Title | Nutzung von Biogas |
| Note | Vgl. Bestellnr. NL 209/061 GF |
| Date | ca. 1981 |
| Scope | 1 Ex. |
| Further information |
Published in:
scala. Deutsche Ausgabe 1981, H. 12, S. 35 |
| Formal information |
Format (BxH):
11,8 x 8,8 cm |
| Rights notice | CC BY-SA 4.0 |
