books.google.it - Written by one of today’s most highly respected astrophysicists, Foundations of High-Energy Astrophysics is an introduction to the mathematical and physical techniques used in the study of high-energy astrophysics. Here, Mario Vietri approaches the basics of high-energy astrophysics with an emphasis...http://books.google.it/books/about/Foundations_of_High_Energy_Astrophysics.html?hl=it&id=faK5nmgWVysC&q=angle&utm_source=gb-gplus-shareFoundations of High-Energy Astrophysics
