61st IISL Colloquium on the Law of Outer Space Bremen, Germany: Session 1: 10th Nandasiri Jasentuliyana Keynote Lecture on Space Law and Young Scholars Session / The Rules of Preventing Collisions in Outer Space [article] / Yang, Huxiao; Dai, Chang
60th IISL Colloquium on the Law of Outer Space: Adelaide, Australia: Session 1: 9th Nandasiri Jasentuliyana Keynote Lecture on Space Law & Young Scholars Session / The Rules of Preventing Collision in Outer Space [notes] / Yang, Huxiao; Dai, Chang