A Collection of conventions, resolutions and other documents (Leiden, A. W. Sijthoff, 1973; 2d ed., Alphen aan den Rijn, Sijthoff and Noordhoff, 1981; 3d ed., Dordrecht, Martinus Nijhoff Publishers, 1988).
A Collection of conventions, resolutions and other documents (Leiden, A. W. Sijthoff, 1973; 2d ed., Alphen aan den Rijn, Sijthoff and Noordhoff, 1981; 3d ed., Dordrecht, Martinus Nijhoff Publishers, 1988).