Provides access to industry-leading standards and technical engineering information. Covers a broad range of engineering disciplines, including aerospace, biomedical, chemical, civil, environmental, geological, health and safety, industrial, materials science, mechanical, nuclear, petroleum, soil science, and solar engineering.
Sponsored by ACM, arXiv.org e-Print archive, NCSTRL (Networked Computer Science Technical Reference Library), and AAAI (Association for the Advancement of Artificial Intelligence), this repository for computing research papers/projects brings together computer research and is freely available.
Database of electronic preprints covering physics, astronomy, math, computer science, quantitative biology, and statistics. (Preprints are drafts of articles; many will later go through a formal peer-review process and be published in scholarly journals.) ArXiv is also available in the database ADS (Astrophysical Data System).