TY  - BOOK
AU  - Harrison, H R  .
AU  - Nettletton,T  .
TI  - Principles of engineering mechanics / 
SN  - 0  7131  34178
U1  - 620.101 
PY  - 1978///
CY  -  : 
PB  - ELBS with Blackwell scientific publishers , 
ER  -