TY  - BOOK
AU  - Bureau of Indian Standards
TI  - Helical Extension Springs: Part - 1 Design and Calculation for Springs Made from Circular Section Wire and Bar (IS : 7907 (Part 1) - 1976)
U1  - IS : 7907 (Part 1) - 1976 
PY  - 1976///
CY  - New Delhi
PB  - Bureau of Indian Standards
KW  - Indian Standard - IT
N1  - IS : 7907 (Part 1) - 1976
ER  -