« Vorherige
Nächste »
Datenquelle
- CiNii EN12
- CiNii JP10
- Crossref23,469
- DBLP914
- Europe PubMed Central7,133
- Google Books666
- METADATA.UB26,694
- MLA219
- Manual10,438
- OPENSCIENCE.UB9,338
- PubMed6,954
- RePEc112
- Web of Science (Lite)17,098
- arXiv5,118