NARCIS provides access to 450,000 open access publications

"Via the national scholarly portal NARCIS 450,000 open access publications are now accessible. These publications can be found in the repositories of all the universities, KNAW, NWO, Universities of Applied Sciences (lecturers) and other scientific institutions, such as Naturalis Biodiversity Center, RIVM and TNO. The open access publications are largely academic articles (187,000), reports (67,000) and theses (65,000) ..."