TY - JOUR AU - Binh Do AU - Jongwhan Cha AU - D. Elliott AU - S. Smith BT - Physical Review A DA - Jan-10-1998 DO - 10.1103/PhysRevA.58.3089 PY - 1998 SP - 3089 EP - 3098 T2 - Physical Review A TI - Degenerate phase-conjugate four-wave mixing in a nearly-Doppler-free two-level atomic medium VL - 58 SN - 1050-2947 ER -