New service – DOI registration
As of now it is possible to apply for a free DOI for electronic publications published in our Digital Repository (OPUS). A DOI (Digital Object Identifier) is a unique persistent identifier that guarantees the identification and reliable citation of digital objects.
You would like to publish your publication online and apply for a DOI? Please do not hesitate to contact us or visit our homepage!

![[Translate to Englisch:] Digitales Repositorium (OPUS) der BTU Cottbus-Senftenberg](/fileadmin/user_upload/b-tu.de/bibliothek/Bilder/Publizieren/laptop-mit-opus.jpg)