TY - BOOK AU - Bureau of Indian Standards[BIS] TI - IS:9609-(Pt.3)-1991 : ISO:3098-(Pt.3.)-1987. Indian standard technical drawings-lettering : Pt.3 : diacritical and particular marks for the latin alphabet U1 - IS Code PY - 1991/// CY - New Delhi PB - Bureau of Indian Standards N1 - ENG ER -