Towards an integrated policy on psychoactive substances: A theoretical and empirical analysis, by Richard Muscat, Dike van de Mheen; Treatment systems overview, Richard Muscat and members of the Pompidou Group treatment platform Towards an integrated policy on psychoactive substances: A theoretical and empirical analysis , by Richard Muscat , Dike van de Mheen , Cas Barendregt and members of the Pompidou Group research platform, Council of Europe Publishing, 2010, 71p Treatment systems overview , Richard Muscat and members of the Pompidou Group treatment platform, Council of Europe Publishing, 2010, 345pp