TY - JOUR AU - Carl Wieman AU - M. Noecker AU - B. Masterson AU - John Cooper BT - Physical Review Letters DA - Jan-04-1987 DO - 10.1103/PhysRevLett.58.1738 PY - 1987 SP - 1738 EP - 1741 T2 - Physical Review Letters TI - Asymmetric line shapes for weak transitions in strong standing-wave fields VL - 58 SN - 0031-9007 ER -