(i) Recurrent publications: Highlights in Space; Seminars of the United Nations Programme on Space Applications: Selected Papers; and update of United Nations Treaties and Principles on Outer Space;
i) Publications en série : Highlights in Space; Seminars of the United Nations Programme on Space Applications: Selected Papers; et mise à jour des Traités et Principes des Nations Unies relatifs à l'espace extra-atmosphérique;