TY  - BOOK
AU  - Van Sommers Peter
TI  - Drawing and cognition :  Descriptive and experimental studies of graphic production processes
U1  - S:40j685, M4;1 
PY  - 1984///
CY  - Cambridge
PB  - Cambridge University Press     
KW  - COGNITIVE STYLES
N1  - Bib 271-74p
ER  -