在一个时间段内，与基准网站相关性较高的站点包括：
Chemical Abstracts Service, CAS, is the producer of Chemical Abstracts, SciFinder, and co-partner in operating STN International, all of which provide comprehensive, authoritative, and reliable
access to chemical and scientific information from databases covering topics such as chemistry, engineering, patents, medicine, and regulatory data. [国际网路] - www.cas*.org - -
[国际网路] - www.*oaj.org - -
EBSCO Information Services is the world's leading subscription management agent. EBSCO Publishing provides EBSCOhost and other academic research databases to libraries and other institutions.[国际网路] - www.ebsc*.com - -
We are a not-for-profit membership organization for scholarly publishing working to make content easy to find, cite, link, and assess.[国际网路] - www.cro*sref.org - -
Scirus is the most comprehensive science-specific search engine on the Internet. Driven by the latest search engine technology, Scirus searches millions science-specific Web pages. Scirus has proved so successful at locating science-specific results on the Web that the Search Engine Watch Awards voted Scirus 'Best Specialty Search Engine' in***and***and 'Best Directory or Search Engine Website' Web Award from Web Marketing Association in 2004, 2005, 2006, and 2007[国际网路] - www.sciru*.com - -
Find what you want in a library near you with WorldCat, a global catalog of library collections.[国际网路] - www.world*at.org - -
[国际网路] - www.cab*.org - -
RePEc is a central index of economics
research, including working papers, articles and software code[国际网路] - www.re*ec.org - -
[国际网路] - www.pro*uest.com - -
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