TY  - RPRT
TI  - An empirical formula of the coherent scattering cross section of gamma rays. 
AU  - Nath, A
PY  - 1968
PB  - National Bureau of Standards
CY  - Gaithersburg, MD
SN  - NBS TN 442
DO  - 10.6028/NBS.TN.442
ER  -