TY  - RPRT
TI  - Experimentally measured total x-ray attenuation coefficients extracted from previously unprocessed documents held by the NIST photon and charged particle data center. II. 
AU  - Hubbell, J H
PY  - 2004
PB  - National Institute of Standards and Technology
CY  - Gaithersburg, MD
SN  - NIST IR 7163
DO  - 10.6028/NIST.IR.7163
ER  -