The database allows you to easily identify the editorial policies respect all'autoarchiviazione publisher, collects the editorial policies of the leading publishers of scientific and academic in the field of copyright and self-archiving.
The SCImago Journal & Country Rank is a portal that includes the journals and country scientific indicators developed from the information contained in the Scopus® database (Elsevier B.V.). These indicators can be used to assess and analyze scientific domains.
WorldCat is a bibliographic catalog that records the collections of 72,000 libraries, more than 170 nations participating in the library cooperation Online Computer Library Center (OCLC). WorldCat is built and maintained collectively by the participating libraries.
A not-for-profit membership organization for scholarly publishing working to make content easy to find, link, cite and assess. We do it in five ways: rallying the community; tagging the metadata; running a shared infrastructure; playing with new technology; and making tools and services to improve research communications.
Google Scholar is a search engine that lets you tap into papers, theses, books, abstracts, articles, from academic publishers, professional societies, and most relevant research across the world's academic research.
PubMed is a biomedical scientific literature search engine, produced by the National Center for Biotechnology Information (NCBI) at the National Library of Medicine (NLM). It is mainly based on the MEDLINE database as well as other biomedical databases.