TY  - BOOK
AU  - Simmons,C.H.
AU  - Phelps,Neil
TI  - The essential guide to technical product specification: engineering drawing 
SN  - 9780580626739 (pbk.)
AV  - T353 .S478 2009
U1  - 604.2 
PY  - 2009///
CY  - London [England]
PB  - BSI
KW  - Mechanical drawing
ER  -