TY - JOUR AU - G. Agarwal AU - S. Ravi AU - John Cooper BT - Physical Review A DA - Jan-05-1990 DO - 10.1103/PhysRevA.41.4721 PY - 1990 SP - 4721 EP - 4726 T2 - Physical Review A TI - dc-field-coupled autoionizing states for laser action without population inversion VL - 41 SN - 1050-2947 ER -