TY  - BOOK
AU  - Hewitt,D.E.
TI  - Engineering science II
T2  - Macmillan Technician Series
SN  - 0333213912
AV  - TA145 H49 1978 
U1  - TA/145 
PY  - 1978///
CY  - London
PB  - Macmillan
KW  - Engineering.
ER  -