books.google.com.au - This invaluable textbook presents the basic elements needed to understand and research into semiconductor physics. It deals with elementary excitations in bulk and low-dimensional semiconductors, including quantum wells, quantum wires and quantum dots. The basic principles underlying optical nonlinearities...http://books.google.com.au/books/about/Quantum_theory_of_the_optical_and_electr.html?id=-UoG0Hx0w04C&q=exciton+resonance&utm_source=gb-gplus-shareQuantum theory of the optical and electronic properties of semiconductors