Maurits van der Graaf

Quality of Research Data, an Operational Approach

Leo Waaijers, Maurits van der Graaf, 2011, D Lib Mag..

Retrieval of biomedical reviews

Maurits van der Graaf, 1990, J. Inf. Sci..

Copyright Issues in Open Access Research Journals: The Authors Perspective

Maurits van der Graaf, Esther Hoorn, 2006, D Lib Mag..

The European Repository Landscape : Inventory study into present type and level of OAI compliant Digital Repository activities in the EU

Maurits van der Graaf, Kwame van Eijndhoven, M. V. D. Graaf, 2008 .

PAYING FOR OPEN ACCESS: THE AUTHOR'S PERSPECTIVE

Maurits van der Graaf, 2017 .

DRIVER: Seven Items on a European Agenda for Digital Repositories

Maurits van der Graaf, 2007 .