What Nikki Sterkenburg encountered in radical- and the extreme right Netherlands

Op 20 May appears But you can't say that, the journalistic version of Nikki Sterkenburg's doctoral research (1984) did to the extreme right in the Netherlands, and on which they 19 May will receive a PhD from Leiden University. Vanaf 2015 she followed radically over forty- and right-wing activists. Who are they, what moves them, and how do they work? A pre-publication.