Use of a Validation Authority to Provide Risk Management for the PKI Relying Party. - Jon Ølnes; Leif Buene (EuroPKI, 2006)

Making Digital Signatures Work across National Borders. - Jon Ølnes; Anette Andresen; Leif Buene; Olga Cerrato; Håvard Grindheim (ISSE, 2007)

A General Quality Classification System for eIDs and e-Signatures. - Jon Ølnes; Leif Buene; Anette Andresen; Håvard Grindheim; Jörg Apitzsch; Adriano Rossi (ISSE, 2009)