books.google.co.il - To commemorate the 300th anniversary of the publication of Isaac Newton's Philosophiae Naturalis Principia Mathematica, Stephen Hawking and Werner Israel assembled a series of unique review papers by many of the world's foremost researchers in cosmology, relativity, and particle physics. The resulting...http://books.google.co.il/books/about/Three_Hundred_Years_of_Gravitation.html?id=Vq787qC5PWQC&utm_source=gb-gplus-shareThree Hundred Years of Gravitation