TY  - BOOK
AU  - Bureau of Indian Standards
TI  - Helical Compression Springs: Part - 4 Selection of Standard Cold Coiled Springs Made from Circular Section Wire and Bar (IS : 7906 (Part 4) - 1987)
U1  - IS : 7906 (Part 4) - 1987 
PY  - 1989///
CY  - New Delhi
PB  - Bureau of Indian Standards
KW  - Indian Standard - IT
N1  - IS : 7906 (Part 4) - 1987
ER  -