TY  - GEN
AU  - Nag, Debabrata 
TI  - Strength of materials
SN  - 9788126534876
PY  - 2012///
CY  - New Delhi
PB  - Wiley - India
KW  - Stress & strain - materials
KW  - Torsion
KW  - Beams - stresses
ER  -