TY  - BOOK
AU  - Duff,Jon M.
AU  - Ross,William A.
TI  - Sketching for engineering design visualization
SN  - 143545362X
PY  - 2009///
CY  - Clifton Park, NY
PB  - Cengage Learning
KW  - Engineering drawings
KW  - Freehand technical sketching
ER  -