TY  - BOOK
AU  - Hannah, J  .
AU  - Stephens,R C  .
TI  - Mechanics of machines: Elementary theory and examples / 
SN  - 0-7131-3471-2
U1  - 621.8 
PY  - 1984///
CY  - London : 
PB  - Edward Arnold Publications Ltd , 
ER  -