首页 生产工具 Unpaywall

Unpaywall

用户数 : 200000 分类 : 生产工具 扩展大小 : 666KiB 最后更新时间 : 2020-02-28 版本 : 3.91
                            Get full text of scholarly articles as you browse. When you view a research article, Unpaywall automatically looks for a copy in our index of 20 million free, legal fulltext PDFs. If we find one, click the green tab to read the article.

Unpaywall points you to legal, author-posted manuscripts that are hosted on university and government web servers. We are pointing to versions that have been posted with the full and explicit authorization of the publishers themselves.

These free, author-posted manuscripts are often called "Green Open Access" and are a longstanding and completely legal part of the scholarly communications ecosystem. The majority of scholarly journals permit authors to "self-archive" their papers on university and government web servers. It's these legally self-archived papers that Unpaywall helps users find. Any papers posted outside of publisher permissions are NOT included in our index.


                        
查看更多
下载 如何离线安装? Chrome store

分享

全部评论

    展开更多评论

    错误提示保存失败
    成功提示保存成功
    close
    qr-code

    为打击盗链困扰,本站已启用公众号验证
    微信扫码关注上方公众号,回复“插件”二字获得验证码,验证码5分钟内全站有效。

    正在验证
    验证成功
    下载遇到问题?请添加QQ群:398095333
    close
    qr-code

    为打击盗链困扰,本站已启用公众号验证
    微信扫码关注上方公众号,回复“脚本”二字获得验证码,验证码5分钟内全站有效。

    正在验证
    验证成功