TY - JOUR AU - A. Compaan AU - L. Lambert AU - I. Abella BT - Physical Review A DA - Jan-09-1973 DO - 10.1103/PhysRevA.8.1641 PY - 1973 SP - 1641 EP - 1643 T2 - Physical Review A TI - Short-Time-Interval Behavior of Photon Echoes in Ruby near Level Crossings UR - http://link.aps.org/doi/10.1103/PhysRevA.8.1641 VL - 8 SN - 0556-2791 ER -