TY  - BOOK
AU  - McPherson,E.
AU  - Ashton,D.L.
TI  - Metric engineering drawing examples
SN  - 0719520029
AV  - T353 
U1  - 604.2/MCP (19109) 
PY  - 1970///
CY  - London
PB  - John Murray
KW  - Engineering drawings
ER  -