JaLC IRDB Crossref DataCite NDLサーチ NDLデジコレ（旧NII-ELS） RUDA JDCat NINJAL CiNii Articles CiNii Books DBpedia Nikkei BP KAKEN Integbio MDR PubMed LSDB Archive 極地研ADS 極地研学術DB OpenAIRE 公共データカタログ ムーンショット型研究開発事業
arXiv is a free distribution service and an open-access archive for nearly 2.4 million scholarly articles in the fields of physics, mathematics, computer science, quantitative biology, quantitative finance, statistics, electrical engineering and systems science, and economics. Materials on this site are not peer-reviewed by arXiv. Subject search and browse: Physics Astrophysics (astro-ph new, rece
About the directory DOAJ is a unique and extensive index of diverse open access journals from around the world, driven by a growing community, and is committed to ensuring quality content is freely available online for everyone. DOAJ is committed to keeping its services free of charge, including being indexed, and its data freely available. → About DOAJ → How to apply Apply now DOAJ is twenty year
1
リリース、障害情報などのサービスのお知らせ
最新の人気エントリーの配信
j次のブックマーク
k前のブックマーク
lあとで読む
eコメント一覧を開く
oページを開く
