sources of international law 国际法的渊源treaties条约custom习惯genaral priciples of law 一般法律原则priciple of good faith 善意原则pacta sunt servada 约定必守原则priciple of estopel 禁止反言原则judicial decisions 司法判决the teachings of publicista 公法学家的学说resolutions of international organitions 国际组织的决议jus congens 国际法基本原则the subjects of international law国际法主体a permanent population有定居的居民a defined territory有固定的领土government 政府independence or sovereignty 独立的主权state succesion国家继承succesion of governme