DiVA (Digitala Vetenskapliga Arkivet) is a database with publications from about 40 Swedish universities and research institutions.

To use this feature, choose BibTeX → New entry.... In the lower part, there is the box "ID-based entry generator". In the field "ID type", "DiVA" can be selected (see screenshot below). Select the field "ID" and enter the DiVA here (e.g., diva2:260746) and press Enter to generate an entry based on the Id. You can also click on "Generate". The found entry is opened in an entry editor. In case an error occurs, a popup is shown.

To use this feature, choose BibTeX → New entry.... In the lower part, there is the box "ID-based entry generator". In the field "ID type", you can select "ISBN". The field "ID" is focused. Enter the ISBN here and press Enter to generate an entry based on the Id. You can also click on "Generate". Then, eBook.de's API is used to convert an ISBN to a BibTeX entry. If no entry is found, the fetcher tries OttoBib to find an entry. The found entry is opened in an entry editor. In case an error occurs, a popup is shown.

Some fetched entries contain a url field. This field points to the URL of the book at the respective online book store. In case you buy the book using the link, the service provider (ebook.de) receive a commission to fund the service.

Medline is a bibliographic database of life sciences and biomedical information. It includes bibliographic information for articles from academic journals covering medicine, nursing, pharmacy, dentistry, veterinary medicine, and health care. Medline also covers much of the literature in biology and biochemistry, as well as fields such as molecular evolution (Wikipedia).

To use this feature, choose BibTeX → New entry.... In the lower part, there is the box "ID-based entry generator". In the field "ID type", "Medline" can be selected (see screenshot below). Select the field "ID" and enter the Medline ID here (e.g., 27934767) and press Enter to generate an entry based on the Id. You can also click on "Generate". The found entry is opened in an entry editor. In case an error occurs, a popup is shown.

is an online database of over eight million astronomy and physics papers from both peer reviewed and non-peer reviewed sources. Abstracts are available free online for almost all articles, and full scanned articles are available in Graphics Interchange Format (GIF) and Portable Document Format (PDF) for older articles ().

To use this feature, choose BibTeX → New entry.... In the lower part, there is the box "ID-based entry generator". In the field "ID type", "SAO/NASA Astrophysics Data System" can be selected (see screenshot below). Select the field "ID" and enter the SAO/NASA Astrophysics Data System ID here (e.g., 2013Sci...339..671W) and press Enter to generate an entry based on the Id. You can also click on "Generate". The found entry is opened in an entry editor. In case an error occurs, a popup is shown.

To use this feature, choose BibTeX → New entry.... In the lower part, there is the box "ID-based entry generator". In the field "ID type", "DOI" should be already selected. The field "ID" is focused. Enter the DOI here and press Enter to generate an entry based on the Id. You can also click on "Generate". Then, http://dx.doi.org/ (provided by http://crossref.org/) is used to convert the given DOI to a BibTeX entry. The found entry is opened in an entry editor. In case an error occurs, a popup is shown.

The International Association for Cryptologic Research maintains an eprint archive to which anyone can submit papers and technical reports. These eprints are given IDs based on the year of submission, e.g. the 10th submission in 2018 gets the ID "2018/10".

To create a new entry form an IACR eprint ID, choose BibTeX → New entry.... In the lower part, there is the box "ID-based entry generator". In the field "ID type", "IACR" should be already selected. The field "ID" is focused. Enter the eprints' ID here and press Enter to generate an entry based on the Id. You can also click on "Generate". The new entry is opened in an entry editor. In case an error occurs, a popup is shown.

To get the ID, you may want to use their web search form at https://eprint.iacr.org/search.html.

IETF (Internet Engineering Task Force) Datatracker is a database that "contains data about the documents, working groups, meetings, agendas, minutes, presentations, and more, of the IETF."

To use this feature, choose BibTeX → New entry.... In the lower part, there is the box "ID-based entry generator". In the field "ID type", "RFC" can be selected (see screenshot below). Select the field "ID" and enter the RFC here, with or without the "rfc" prefix (e.g. 1954, rfc1954) and press Enter to generate an entry based on the Id. You can also click on "Generate". The found entry is opened in an entry editor. In case an error occurs, a popup is shown.

Import and export of bibliographic information using identifiers (such as a DOI)

To use this feature, choose BibTeX → New entry.... In the lower part, there is the box "ID-based entry generator". In the field "ID type", you can select "Title". The field "ID" is focused. Enter the title here and press Enter to generate an entry based on the title. You can also click on "Generate". Then, http://dx.doi.org/ (provided by http://crossref.org/) is used to determine the DOI and convert the determined DOI to a BibTeX entry. The found entry is opened in an entry editor. In case an error occurs, a popup is shown. In case no DOI could be determined, no entry is created.