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Google Scholar is a freely accessible web search engine that indexes the full text or metadata of scholarly literature across an array of publishing formats and disciplines. . Released in beta in November 2004, the Google Scholar index includes peer-reviewed online academic journals and books, conference papers, theses and dissertations, preprints, abstracts, technical reports, and other ...
Smallpdf is a Swiss online web-based PDF software, founded in 2013. [2] It offers free version with limited features to compress, convert and edit PDF documents. [ 3 ] And its paid version offers advanced features like OCR, compress, and more [ 4 ] .
FREE Resources: 3 articles every 2 weeks (Register and Read Program, archived journals). Also, early journals (prior to 1923 in US, 1870 elsewhere) free, no registry necessary. Free and Subscription JSTOR [88] Jurn: Multidisciplinary Jurn is a free-to-use online search tool for finding and downloading free full-text scholarly works.
Google Books (previously known as Google Book Search, Google Print, and by its code-name Project Ocean) [1] is a service from Google that searches the full text of books and magazines that Google has scanned, converted to text using optical character recognition (OCR), and stored in its digital database. [2]
Google Scholar, INSPIRE-HEP, ACM portal, Jstor, Web of Science Papers Yes No Yes Yes No Microsoft Academic, Google Scholar Pybliographer No No No Yes No None refbase Yes No No Yes No DOI lookup RefDB Yes No No Yes No Any Z39.50: RefWorks No No No Yes No Various Wikindx No No No Yes No Metadata for Google Scholar Indexing Zotero Yes Yes Yes Yes ...
In the Print/export section select Download as PDF. The rendering engine starts and a dialog appears to show the rendering progress. When rendering is complete, the dialog shows "The document file has been generated. Download the file to your computer." Click the download link to open the PDF in your selected PDF viewer.
For free user, Google was able to show up to 20% of a copyrighted book via the snippet mode. Google could show ads on these pages and split the ad revenue with authors and publishers. A user could purchase access to a book, treated as an eBook, for a one-time cost. Institutions could acquire full access to all books for a subscription-based fee.
The Internet Archive Scholar is a scholarly search engine created by the Internet Archive in 2020. As of February 2024 [update] , it contained over 35 million research articles with full text access.