TY  - BOOK
AU  - Hlavacs,George
TI  - The exceptionally simple theory of sketching: why do professional sketches look beautiful? 
SN  - 9789063693343
AV  - NC730 .H527 2014
PY  - 2014///]
CY  - Amsterdam
PB  - BIS Publishers
KW  - Drawing
KW  - Technique
ER  -