TY - BOOK AU - Byers,Michael TI - Custom, power and the power of rules: international relations and customary international law SN - 0521632897 U1 - 341.7 21 PY - 1999/// CY - Cambridge PB - Cambridge University Press KW - Customary law, International KW - International law KW - International relations N1 - Includes bibliography and index ER -