TY  - BOOK
AU  - Bureau of Indian Standards.
TI  - Hardness conversion tables for metallic materials (IS 4258-1982) 
SN  - 0
U1  - 4258-1982 
PY  - 2020///
CY  - New Delhi
PB  - Bureau of Indian Standards
KW  - Indian Standards - Metallurgy
ER  -