"Event-ready-detectors" Bell experiment via entanglement swapping.
Phys Rev Lett 71:26 (1993) 4287-4290
QUANTUM COMMUNICATION MOVES INTO THE UNKNOWN
PHYSICS WORLD 6:6 (1993) 22-23
Practical quantum cryptography based on two-photon interferometry.
Phys Rev Lett 69:9 (1992) 1293-1295