TY  - RPRT
TI  - Federal Information Processing Standards Publication: aids for COBOL program conversion (FIPS PUB 21 to FIPS PUB 21-1) 
PY  - 1975
PB  - National Bureau of Standards
CY  - Gaithersburg, MD
SN  - NBS FIPS 43
DO  - 10.6028/NBS.FIPS.43
ER  -