1. Periodic Orbits and Classical Quantization Conditions
2. M.-J. Giannoni, A. Voros, J. Zinn-Justin (Eds.), Chaos and Quantum Physics, Les Houches, 1989, Session LII, North-Holland, Amsterdam, 1991.
3. Chaos in Classical and Quantum Mechanics;Gutzwiller,1990
4. The Transition to Chaos in Conservative Classical Systems: Quantum Manifestations;Reichl,1992
5. Microwave Ionization and Excitation of Rydberg Atoms