TY  - RPRT
TI  - Neutron standards and applications 
AU  - Bowman, C D
AU  - Carlson, A D
AU  - Liskien, H O
AU  - Stewart, L
PY  - 1977
PB  - National Bureau of Standards
CY  - Gaithersburg, MD
SN  - NBS SP 493
DO  - 10.6028/NBS.SP.493
ER  -