TY  - RPRT
TI  - Federal Information Processing Standards Publication: videotexteletext presentation level protocol syntax (North America plps) 
PY  - 1986
PB  - National Bureau of Standards
CY  - Gaithersburg, MD
SN  - NBS FIPS 121-1986
DO  - 10.6028/NBS.FIPS.121-1986
ER  -