Show 10 5 10 15 20 50 100 250 Sort by year (new to old) Actions News feed Embed this list Save this search Mark all Export Your filters: cql: author exact 802000050051 cql: author exact 801000311366 Mark journalArticle A1 A hemisystem of a nonclassical generalised quadrangle John Bamberg (UGent) , Frank De Clerck (UGent) and Nicola Durante (2009) DESIGNS CODES AND CRYPTOGRAPHY. 51(2). p.157-165