« Vorherige
Nächste »
Datenquelle
- METADATA.UB12,819
- Crossref10,754
- Web of Science (Lite)8,461
- Manual4,482
- Europe PubMed Central3,575
- PubMed3,522
- OPENSCIENCE.UB3,501
- arXiv2,568
- DBLP473
- Google Books322
- MLA121
- RePEc46
- CiNii EN1
- CiNii JP1