TY  - BOOK
AU  - Allan, Boris.
TI  - Graphic art for the BBC computer : : turtle graphics and art 
U1  - 006.6  1
PY  - 1986///
CY  - New Delhi
PB  - BPB Publications
KW  - Turtle graphics
KW  - Driving graphics
KW  - Drawing charts and graphs
ER  -