TY  - BOOK
AU  - Williams N.
TI  - ZX81/B1Programming for Your Programmers
SN  - 0000017397
U1  - 1.539 
PY  - 1983///
CY  - U.K
PB  - M.G.H
KW  - Computer Science Engineering
KW  - Programmers  Your  ZX81/B1Programming
ER  -