TY  - BOOK
AU  - Bureau of Indian Standards[BIS]
TI  - IS:9609-(Pt.4)-1991 : ISO:3098-(Pt.4.)-1984. Indian standard technical drawings-lettering : Pt.4 : Cyrillic characters
U1  - IS Code 
PY  - 1991///
CY  - New Delhi
PB  - Bureau of Indian Standards
N1  - ENG
ER  -