TY  - BOOK
AU  - Norling, Ernest R
TI  - Perspective made easy
SN  - 9780486404738
SN  - 99010310
U1  - 742 NOR 
PY  - 1999///
CY  - Mineola, NY
PB  - Dover Publications
KW  - Drawing - Technique
KW  - Perspective
N1  - Originally published: New York : Macmillian, 1939
ER  -