100 Years Of Relativity: Space-time Structure - Einstein And Beyond Ashtekar Abhay Innbundet / 2005 / Engelsk
100 Years Of Relativity: Space-time Structure - Einstein And Beyond Ashtekar Abhay Heftet / 2005 / Engelsk
General Relativity and Gravitation A Centennial Perspective Ashtekar Abhay Innbundet / 2015 / Engelsk
