books.google.com.au - The Drude Theory of Metals. The Sommerfeld Theory of Metals. Failures of the Free Electron Model. Crystal Lattices. The Reciprocal Lattice. Determination of Crystal Structures by X-Ray Diffraction. Classification of Bravais Lattices and Crystal Structures. Electron levels in a Periodic Potential: General...http://books.google.com.au/books/about/Solid_state_physics.html?id=1C9HAQAAIAAJ&utm_source=gb-gplus-shareSolid state physics