1 - Conceptual problems of quantum gravity : based on the proceedings of the 1988 Osgood Hill Conference, North Andover, Massachusetts, 15-19 May 1988 |
2 - Einstein - Räume |
3 - La gravitation : de la pomme de Newton aux fusées interpllanétaires |
1 - Conceptual problems of quantum gravity : based on the proceedings of the 1988 Osgood Hill Conference, North Andover, Massachusetts, 15-19 May 1988 |
2 - Einstein - Räume |
3 - La gravitation : de la pomme de Newton aux fusées interpllanétaires |