books.google.de - This landmark text offers a rigorous full-year graduate level course on gravitation physics, teaching students to:• Grasp the laws of physics in flat spacetime• Predict orders of magnitude• Calculate using the principal tools of modern geometry• Predict all levels of precision• Understand Einstein's...http://books.google.de/books/about/Gravitation.html?hl=de&id=w4Gigq3tY1kC&q=zero&utm_source=gb-gplus-shareGravitation