books.google.com - Quantum Mechanics (Symmetries) deals with a particularly appealing and successful concept in advanced quantum mechanics. After a brief introduction to symmetries in classical mechanics, the text turns to their relevance in quantum mechanics, the consequences of rotation symmetry, and the general theory...http://books.google.com/books/about/Quantum_Mechanics_Symmetries.html?id=gCfvWx6vuzUC&utm_source=gb-gplus-shareQuantum Mechanics - Symmetries
