TY  - BOOK
AU  - Birkeland, Byrge
TI  - Algebra of shapes
SN  - 8271173170
U1  - 512 BIR 
PY  - 1996///
CY  - Kristiansand ( Norway) : 
PB  - Faculty of Mathematics ,  Agder University, 
KW  - Mathematics
KW  - Algrbra
KW  - Geometry
KW  - Computer graphics
KW  - Fracral curves
KW  - Turtle geometry
ER  -