TY - BOOK AU - Villiger,Mark Eugen TI - Customary international law and treaties: a study of their interactions and interrelations, with special consideration of the 1969 Vienna Convention on the Law of Treaties T2 - Developments in international law SN - 9024729807 AV - KZ 1301 .V55 1985 U1 - 341/.1 19 PY - 1985/// CY - Dordrecht, Boston, Hingham, MA PB - M. Nijhoff, Distributors for the U.S. and Canada, Kluwer Academic KW - Vienna Convention on the Law of Treaties KW - (1969) KW - Local KW - Treaties KW - Derecho consuetudinario Internacional KW - Tratados KW - Customary law, International N1 - Previously classified under : JX 4165 .V55 1985; Originally presented as the author's Habilitationsschrift (University of Zurich); Includes index; Bibliography: p. 409-420 ER -