Rene van Leuken Reinder Nouta Alexander de Graaf Constraints, Hurdles, and Opportunities for a Successful European Take-Up Action. 1-2 http://springerlink.metapress.com/openurl.asp?genre=article&issn=0302-9743&volume=1918&spage=0001 2000 conf/patmos/2000 PATMOS db/conf/patmos/patmos2000.html#LeukenNG00