skos:altLabel | - ADS
- Astrophysics Data System (ADS)
- Astrophysics Data System ADS
- NASA ADS
- NASA Astrophysics Data System
- SAO/NASA ADS
- SAO/NASA Astrophysics Data System
- SAO/NASA Astrophysics Data System (ADS)
- Smithsonian/NASA Astrophysics Data System
- world's largest database of astronomy and physics papers (ADS)
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