Englert, Berthold-Georg Laser Physics, Max Planck Institute of Quantum Optics, Max Planck Society;
Englert, B.-G., & Metwally, N. (2002). Kinematics of qubit pairs. In R. K. Brylinski, & G. Chen (Eds.), Mathematics of Quantum Computation (pp. 25-75). Boca Raton: CRC Press.