TY  - BOOK
AU  - Eissen, Koos
AU  - Steur, Roselien
TI  - Sketching: drawing techniques for product designers
SN  - 9789063691714
U1  - 741.2 
PY  - 2007///
CY  - Amsterdam
PB  - Bis Publishers
KW  - Drawing -- Technique
ER  -