TY  - BOOK
AU  - Letcher, Piers.
TI  - Screen Shot programming series zx spectrum and graphics: : step by step programming 
SN  - 0863181031
U1  - 005.101  1
PY  - 1985///
CY  - London
PB  - Dorling Kindersley
KW  - Screen colours
KW  - Line graphics
KW  - Saving and loading displays
ER  -