TY - JOUR AU - Klaus Gheri AU - Philippe Grangier AU - Jean-Philippe Poizat AU - D. Walls BT - Physical Review A DA - Jan-10-1992 DO - 10.1103/PhysRevA.46.4276 PY - 1992 SP - 4276 EP - 4285 T2 - Physical Review A TI - Quantum-nondemolition measurements using ghost transitions UR - http://link.aps.org/doi/10.1103/PhysRevA.46.4276 VL - 46 SN - 1050-2947 ER -