TY - JOUR AU - B. Paul AU - M. Dowell AU - Alan Gallagher AU - John Cooper BT - Physical Review A DA - 6/1999 DO - 10.1103/PhysRevA.59.4784 PY - 1999 SP - 4784 EP - 4796 T2 - Physical Review A TI - Observation of conical emission from a single self-trapped beam VL - 59 SN - 1050-2947 ER -