TY  - GEN
AU  - Beer, Ferdinand Pierre       
AU  - Johnston,E.Russell
AU  - DeWolf,John T.
TI  - Mechanics of materials
SN  - 0073659355
U1  - 620.112 
PY  - 2002///
CY  - New York
PB  - McGraw-Hill,2002
KW  - Strength of materials
ER  -