@book{Bransden_Joachain_2000, address={Harlow}, edition={2nd ed}, title={Quantum mechanics}, publisher={Prentice Hall}, author={Bransden, B. H. and Joachain, C. J.}, year={2000} }
@book{Sakurai_Napolitano_2007, edition={2nd edition}, title={Modern Quantum Mechanics}, publisher={Pearson Education (US)}, author={Sakurai, J. J. and Napolitano, Jim J.}, year={2007} }