TY  - RPRT
TI  - Structure shielding against fallout gamma rays from nuclear detonations 
AU  - Spencer, L V
AU  - Chilton, Arthur B
AU  - Eisenhauer, Charles
PY  - 1980
PB  - National Bureau of Standards
CY  - Gaithersburg, MD
SN  - NBS SP 570
DO  - 10.6028/NBS.SP.570
ER  -