1. Bjorken, J.D. and Drell, S.D. (1964) Relativistic Quantum Mechanics. McGraw-Hill, New York.
2. Quang, H.-K. (1998) Elementary Particles and Their Interactions. Springer, Berlin.
3. Kaku, M. (1993) Quantum Field Theory. Oxford University Press, Oxford.
4. Time in Quantum Gravity
5. Supersymmetrie