https://arxiv.org/ https://chrome.google.com/ https://contribute.jabref.org/ https://donations.jabref.org/ https://pubs.acs.org/ https://scholar.archive.org/ https://web.archive.org/ https://www.researchgate.net/privacy-policy https://www.sciencedirect.com/ https://github.com/koppor/jabref/issue https://github.com/koppor/jabref/pull https://github.com/JabRef/jabref/issue https://github.com/JabRef/jabref/pull 0005-example.md