TY  - BOOK
AU  - Wileman,Ralph E.
TI  - Exercises in visual thinking
T2  - Visual communication books
AV  - LB1043.5LB1043.5LB1043.5 .W497 1980.W497.W497
U1  - 001.55/3 
PY  - 1980///
CY  - New York
PB  - Hastings House Publishers
KW  - Signs and symbols
KW  - Slides (Photography)
KW  - Visual education
N1  - Includes index; Bibliography: p. 119-121
ER  -