books.google.it - General relativity has become one of the central pillars of theoretical physics, with important applications in both astrophysics and high-energy particle physics, and no modern theoretical physicist's education should be regarded as complete without some study of the subject. This textbook, based on...http://books.google.it/books/about/A_First_Course_in_General_Relativity.html?hl=it&id=qhDFuWbLlgQC&utm_source=gb-gplus-shareA First Course in General Relativity
