Erişim adresi : https://invenio.nusl.cz/?ln=en
This digital repository is a part of the National Repository of Grey Literature (NRGL).
NRGL provides central access to information on grey literature produced in the Czech Republic in the fields of science, research and education. NRGL is operated by the National Technical Library in Prague, detailed information about the service can be found at http://nrgl.techlib.cz.
The NRGL digital repository contains records and digital documents from the institutions that are members of the NRGL partner network and chose the collaboration involving long-term archiving and providing access to their data. To search in the resources from all participating institutions, use the central search interface at www.nusl.cz.