Similar to 天体物理データシステム
サブミリ波干渉計
Submillimeter ArrayBiodiversity Heritage Library
Biodiversity Heritage LibraryBioOne
BioOneBookFi
CINAHL
CINAHL中国知網
CNKIContextual Query Language
Contextual Query LanguageDBLP
DBLPEmbase
EmbaseGoogle Scholar
Google ScholarHAL (公開アーカイブ)
HAL (open archive)Internet Speculative Fiction Database
Internet Speculative Fiction DatabaseLibrary Genesis
Library GenesisPubMed
PubMedScienceDirect
ScienceDirectScopus
ScopusSemantic Scholar
Semantic ScholarTreeBASE
TreeBASEWeb of Science
Web of ScienceWhat Works Clearinghouse
What Works ClearinghouseWorldCat
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ZbMATH OpenI-Scover
医中誌Web
Espacenet
Espacenetカルチュラル・ジャパン
Google ブックス
Google Booksゲイル (出版社)
Gale (publisher)