General Relativity and Gravitation, 1989 : Proceedings of the 12th International Conference on General Relativity and Gravitation Bartlett, David F. Wyss, Walter Ashby, Neil 9780521020794 Heftet 06.10.2005 Engelsk Produseres på bestilling
General Relativity and Gravitation, 1989 : Proceedings of the 12th International Conference on General Relativity and Gravitation Bartlett, David F. Wyss, Walter Ashby, Neil 9780521384285 Innbundet 26.10.1990 Engelsk Produseres på bestilling
