999: Extraterrestrial worlds
Download- URI:
- https://id.oclc.org/worldcat/ddc/E3g76dkbHKvRVgfy794XGKCvTj
- Entity type:
- Concept
Scope
Class here extraterrestrial civilization, extraterrestrial intelligence, SETI (search for extraterrestrial intelligence)
999: Außerirdische Welten
Download- URI:
- https://id.oclc.org/worldcat/ddc/E3g76dkbHKvRVgfy794XGKCvTj
- Entity type:
- Concept
Scope
Hier auch: außerirdische Zivilisation, außerirdische Intelligenz, SETI (Suche nach außerirdischer Intelligenz)
999: Mondes extraterrestres
Download- URI:
- https://id.oclc.org/worldcat/ddc/E3g76dkbHKvRVgfy794XGKCvTj
- Entity type:
- Concept
Scope
Classer ici la civilisation extraterrestre, l'intelligence extraterrestre, la recherche de formes de vie intelligente dans d'autres mondes (SETI)
999: Mondi extraterrestri
Download- URI:
- https://id.oclc.org/worldcat/ddc/E3g76dkbHKvRVgfy794XGKCvTj
- Entity type:
- Concept
Scope
Classificare qui la civiltà di altri mondi, l'intelligenza di altri mondi, la SETI (la ricerca di vita intelligente su altri mondi)
999: Himmellegemer utenfor jorda
Download- URI:
- https://id.oclc.org/worldcat/ddc/E3g76dkbHKvRVgfy794XGKCvTj
- Entity type:
- Concept
Scope
Her: Utenomjordiske sivilisasjoner, utenomjordisk intelligens, SETI (search for extraterrestrial intelligence)
999: Utomjordiska världar
Download- URI:
- https://id.oclc.org/worldcat/ddc/E3g76dkbHKvRVgfy794XGKCvTj
- Entity type:
- Concept
Scope
Klassificera här utomjordiska civilisationer, utomjordisk intelligens, SETI (search for extraterrestrial intelligence)