TY - JOUR AU - M. Gavrila AU - A. Costescu BT - Physical Review A DA - Jan-11-1970 DO - 10.1103/PhysRevA.2.1752 PY - 1970 SP - 1752 EP - 1758 T2 - Physical Review A TI - Retardation in the Elastic Scattering of Photons by Atomic Hydrogen UR - http://link.aps.org/doi/10.1103/PhysRevA.2.1752 VL - 2 SN - 0556-2791 ER -