TY  - GEN
AU  - Besterfield, Dale H.         
AU  - O'Hagan,Robert E.
TI  - Technical sketching with an introduction to 2D and 3D CAD: for engineers, technologists, and technicians 
SN  - 0132432781 (paper)
U1  - 604.2 
PY  - 2007///
CY  - Upper Saddle River, NJ
PB  - Pearson Prentice Hall,2007
KW  - Freehand technical sketching
KW  - Computer-aided design
N1  - Includes index
ER  -