TY  - BOOK
AU  - Koller,E.L, x
AU  - x
TI  - Perspective and composition: parallet perspective,..
SN  - x
U1  - 742/KOP 
PY  - 1940///
CY  - Pensylvania
PB  - International text Book
KW  - Perspective
KW  - Composition
ER  -