JSTOR is a digital library of academic journals, books, and primary sources.
Discover impactful Journals, Books & Case Studies from Emerald Publishing on Emerald Insight.
The dblp computer science bibliography is the online reference for open bibliographic information on major computer science journals and proceedings.
ACM Digital Library Home page
A powerful, streamlined new Astrophysics Data System
The homepage of IOPscience, home to more than 130 years of leading scientific research journal content
Providing access to millions of research articles and chapters from Science, Technology and Medicine, and Humanities and Social Sciences
赣公网安备36012302000154号