TY - JOUR AU - H. Ritsch AU - Peter Zoller BT - Physical Review A DA - Jan-02-1992 DO - 10.1103/PhysRevA.45.1881 PY - 1992 SP - 1881 EP - 1892 T2 - Physical Review A TI - Dynamic quantum-noise reduction in multilevel-laser systems VL - 45 SN - 1050-2947 ER -