TY  - BOOK
AU  - Parrish,A.
TI  - Mechanical engineer's reference book
SN  - 040800083X
U1  - 620.8 
PY  - 1973///.
CY  - London: 
PB  - Butterworths, 
KW  - Mechanical engineering
N1  - Includes bibliographical references
ER  -