Opazvane na prirodnata sreda
Nacionalen Centǔr za Naučna i Techničeska Informacija po Selsko Stopanstvo, Chranitelna Promišlenost i Gorsko Stopanstvo pri SSA "G. Dimitrov"
| Year of publication: |
1974
|
|---|---|
| Institutions: | Nacionalen Centǔr za Naučna i Techničeska Informacija po Selsko Stopanstvo (contributor) ; Gorsko Stopanstvo pri SSA "G. Dimitrov" (contributor) |
| Publisher: |
Sofija |
| Subject: | Rohstoff <wirtschaft> | Umweltschutz | Forstzeitschriften | Bulgarien |
| Extent: | 55 S |
|---|---|
| Series: | |
| Type of publication: | Book / Working Paper |
| Source: | ECONIS - Online Catalogue of the ZBW |
Persistent link: https://www.econbiz.de/10003200481