TY  - BOOK
AU  - Lewin, Douglas
TI  - Theory and design of digital computer systems
SN  - 0-17-771126-4
U1  - S/C-S/T D65,8(B):4 M0L 
PY  - 1980///
CY  - Britain
PB  - Nelson
KW  - Computer systems
N1  - Includes appendix and index
ER  -