2017. New Approach on Old Matters about Parliamentary Inquiry Committees: The Duty to Appear for State Authorities and Civil Servants before the Self-Governing Parliamentary Assemblies, the Obligation to Speak Truthfully and the Role of Minorities in the Commit. Journal of the Cortes Generales. 100-102 (Dec. 2017), 101–129. DOI:https://doi.org/10.33426/rcg/2017/100-102/28.