TY  - BOOK
AU  - Simpson,Ian
TI  - Drawing: seeing and observation
SN  - 0442276508
AV  - NC 735 .S48 1973 
PY  - 1973///]
CY  - New York
PB  - Van Nostrand Reinhold
KW  - Drawing
KW  - Visual perception
KW  - Perspective
N1  - Bibliography: p. 165
ER  -