TY - JOUR AU - L. You AU - J. Mostowski AU - John Cooper AU - R. Shuker BT - Physical Review A DA - Jan-12-1991 DO - 10.1103/PhysRevA.44.R6998 PY - 1991 SP - R6998 EP - R7001 T2 - Physical Review A TI - Cone emission from laser-pumped two-level atoms VL - 44 SN - 1050-2947 ER -