TY - RPRT TI - Delbrück scattering: a bibliography, and some numerical comparisons with other photon interaction processes AU - Hubbell, J H AU - Berstrom, P M Jr PY - 2004 PB - National Institute of Standards and Technology CY - Gaithersburg, MD SN - NIST IR 7115 DO - 10.6028/NIST.IR.7115 ER -