TY  - RPRT
TI  - Federal Information Processing Standards Publication: additional controls for use with American national standard code for information interchange 
PY  - 1981
PB  - National Bureau of Standards
CY  - Gaithersburg, MD
SN  - NBS FIPS 86-1981
DO  - 10.6028/NBS.FIPS.86-1981
ER  -