Welcome to the NHRF Helios Repository!
Helios is the repository of the National Hellenic Research Foundation (NHRF), operates according to international standards and provides free and unrestricted access to scientific content produced by researchers at NHRF.
The repository is supported by the National Documentation Centre (EKT). It includes different types of content in science, culture and education (e.g. scientific results, publications, conference proceedings, books, training material, videos and images) and offers self-archiving services to the research community at NHRF.
Browse the Helios Collections and search for the scientific material of your interest! Register to the repository and enjoy additional services.