TY  - BOOK
AU  - Ramamrutham, S.
AU  - Narayanan,R  .
TI  - Sterngth of materials / 
U1  - 624.17 
PY  - 1953///
CY  - New Delhi : 
PB  - Dhanpat Rai Publishing Co. Pvt. Ltd. , 
ER  -